Re: [Elecraft] [K1] CW Paddle Contact Bounce
You don't mention the material the contacts are made of. A few years ago, one major manufacturer of high-quality paddles was using a particular alloy for contacts which behaved like a semiconductor junction. In other words, it had a fixed voltage drop despite the amount of current that was flowing through it. This upset circuits like that of the K1, which distinguishes dits and dahs by detecting a voltage drop across one of a pair of resistors grounded by the paddle. I thought at first that it was a bounce problem. I tried various solutions, but the only one that ultimately worked was to get the manufacturer to supply silver contacts for the paddle in question (gold plating and maybe some other materials are also OK). On 24 Feb 2015 23:40, David Brown wrote: I have owned a K1 for almost 15 years and have always used it with either a straight key or an external keyer. I have never had a keying problem with the K1 other than operator errors. Last year I purchased a single lever paddle to use with the K1's internal keyer. Much to my surprise, significant keying errors occurred when this new paddle was used with the k1's internal keyer. With the K1's internal keyer set for 20 WPM, I could not complete sending the entire alphabet without at least one keying error. I discovered that sending the Morse letter “A” multiple times, the K1 would occasionally transmit the letter “N”. Steve, N8WL, used his much newer K1 with my new paddle for this experiment. Sure enough, Steve had about the same error rate as I had with my K1. I should mention that my K1 has been updated with the latest updates, including the MCU firmware which matched that in Steve's K1. So just what is the problem here? Paddle contact bounce was the prime suspect in these keying errors at this point. I decided to investigate what contact bounce may exist and how the K1 deals with it before doing any paddle adjustment or contact cleaning. I instrumented my K1 with two oscilloscope probes connected to the K1's MCU that, in addition to performing K1 control functions, controls transmitter keying and the Iambic mode keyer implementation. One probe was connected to the MCU keying input and the other to the keying line output that keys the transmitter. A fairly lengthy investigation can be summarized with the following observations. First, paddle contact bounce was very prevalent. For example, the dot contact bounce typically ranged between 3 and 6 milliseconds, but had some occurrences as high as 8 milliseconds. It appears that in the presence of contact bounce, a false detection of a contact closure can occur when the MCU keying input voltage must transition through a region that represents a valid but unintended contact closure. In the Morse “A” experiment, the MCU keying voltage will initially switch from 6.1 volts down to 1.9 volts with the dot contact closure. In doing this, the voltage will drop through the vicinity of 3.8 volts which represents a dash contact closure. The MCU A/D conversion and firmware that monitors this voltage sometimes mistakenly recognizes this transition as a valid dash contact closure that is followed by a dot contact closure. When this happens, the dash contact closure used in sending “A” appears to be ignored while “N” is being transmitted by the K1. The K1's paddle contacts are connected to the MCU keying input via a resistor network that adjusts the MCU input voltage to the values used in identifying specific paddle contact closures. Capacitor C6 (.01 uF) at the MCU keying input provides some RC filtering to this keying voltage. Varying the size of C6 had a very strong influence on the percentage of keying errors. Larger values of capacitance increased the error rate while smaller values decreased it. This makes sense in that with a larger C6, the voltage transition through that dash contact closure region is increased in the A experiment, thus increasing the probability of a false contact closure detection. It is a difficult problem to design a real time A/D conversion and voltage detection system that meets acceptable A/D charge holding times in the presence of significant contact bounce. I wound up changing C6 from the stock .01uF to 100 pF which in turn significantly reduced false paddle contact closures. In addition to this, paddle adjustments were made to further eliminate this problem. The contact bounce error rate is not zero, but it has been reduced to a low background level that is well below my own paddle use errors. All of the data recorded in this investigation is presented in a short article in the January 2015 issue of the QRP Quarterly (http://www.qrparci.org/). I would be interested in hearing from others that have dealt with contact bounce issues involving the K1. 73, Dave K8AX -- 73, Vic, 4X6GP/K2VCO Rehovot, Israel http://www.qsl.net/k2vco/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft
Re: [Elecraft] P3 - Split operation
Me too. For me, blue and yellow are like night and day, but red, green, brown, etc. are encompassed by a concept that I call groun. I would like an option to make the TX cursor yellow. 30-odd years ago I used to have a 4-year old daughter standing by to read resistor color codes to me, and now I'm waiting for HER daughter to be old enough for the job. On 25 Feb 2015 02:10, Bayard Coolidge, N1HO via Elecraft wrote: I realize that the discussion about split operations have beenenough to tan the hides of every bovine used for McDonald'shamburgers for the next century, but I would like to add my voteto what Fred mentioned, as I'm one of those 10% or so of maleswho suffer from the inability to distinguish reds, greens, browns,and other similar earth tones. I freely admit that my XYL has to match a lot of my clothing for me. In my professional career, I even encountered one poor guy who had to use a hood over a 7-segment LED display (on the front panel of a PDP11/34) to be able to read it, even though there were no other colors in the immediate vicinity; he had to rely solely on the relative brightness of the display. I can, I think, differentiate a lot of colors,but my wife will tell you that it's a guess at best, and usually wrong,and the accuracy depends strongly on the color/temperature of the ambient light in the room. I score the best accuracy in pure sunlight. So, yes, some chromatic ergonomic engineering would be sincerely appreciated! tnx es 73, Brandy, N1HO Fred Jensen, k6dgw, said, in part, ...red and green are probably the worst choices since defective color vision is way more prevalent in males than females, the vast majority of hams are male, and inability to distinguish red and green is the most common color vision defect. -- 73, Vic, 4X6GP/K2VCO Rehovot, Israel http://www.qsl.net/k2vco/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 and FLDigi
You're right David. when I find the secret code, I'll post it to the list. I just didn't want to clutter it up with the prelims. 73, Mike NF4L On Feb 24, 2015, at 19:16, David Christ radio...@mchsi.com wrote: But that’s a problem of probable general interest and the results should end up in the archives. DavidK0LUM On Feb 24, 2015, at 12:09 PM, Mike Reublin NF4L n...@comcast.net wrote: I've been using CocoaModem, but since Chen isn't supporting it anymore, I feel the need to move on. I'm trying to get fldigi working, hopefully with RUMLogNG. It decodes CW but not RTTY, and doesn't transmit either. I suspect off-line would be best. 73, Mike NF4L __ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] [K2] Installing old KPA100 in a 2nd K2?
I have recently acquired a used K2, my 2nd (S/N 5133). I am just wondering what it would take to install the KPA100 from my older (S/N 4509) K2 in the newer one and keep it usable with the old one too. I have been perusing the KPA100 manual (current version) and it appears to me that all I need to know is on pages 23-25 and 55. S/N 5133 is missing the Aux RF plug P6 on the RF board and (I think) the associated C224, so those need to be added. The manual which came with it says CNTL-C42 is already 0.1 uF (to be confirmed) and the MCU firmware is 2.04P. The tasks on page 59 do not apply since the S/N is over 3000. So it looks like all I have to do once RF-P6 and C224 are in place is to break off pin 4 on CNTL-P4, scrape off some paint and plug in the KPA100. Am I missing anything ? No alignment steps which might make it incompatible with the older K2? What about CAL tPA (p. 49 of KPA100 manual)? Is this calibration stored in the K2 or the KPA100? 73,Steve VE3SMA __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] RFI/EMI and dealing with it
Greetings, I am the relatively new owner of a KX3 and I've discovered somewhat of a problem: The switching power supplies that supply power to at least my laptop, an external display, the router, the desk lamp and possibly my speakers create S5-7 noise on all bands and S9 noise on some of them. I unplugged the power cable that controls the desk and the noise dropped to an S1-2. I plugged the main power cord back in and then started by unplugging individual items, keeping track of what I was plugging in and what the noise level was like. I placed an order on Amazon for some snap on ferrite beads and they should be here today. Having never had to track down the source of noise like this, I am unsure of where to place the beads to have the maximum effect to clear up the signals so I can enjoy operating from home... I'll add that I first noticed the high amounts of noise after I had strung up a wire inside the office because something had happened to my G5RV on the roof. I am suspecting bad coax on the G5RV as I have it working by playing with the coax. Neither of the PL-259s on my Comet CTC-50 window passthrough jumper (Landlord and XYL say no holes in the house.. :() are tightened down and I can hear stations in the noise. Tighten them down and I get silence. If I unplug the antenna from the side of the KX3, I get silence (well, unless the volume is up in the 30's or higher and I have the speakers connected) I can still hear noise but it doesn't register on the S meter. If anyone could help out a still somewhat new General with this, it would be appreciated. 72, Joshua Gould K8WXA EM89pn KX3# 7480 NAQCC # 7704 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 and FLDigi
Dave suggested the HamLib option in fldigi as follows Next, in Fldigi in Config\Rig control, choose the Rig tab, then Hamlib. In Hamlib, check the box in front of Use Hamlib at the top. In Rig choose Elecraft K3/KX3 (Beta). In Device, choose your com port. Below that, set the Baud rate to 38400. On the left side, check the box for PTT via Hamlib command. Alternately, you can elect not to use either Hamlib or rigcat, but simply use VOX in the K3. This frees the cable for something else, but it does disable frequency tracking. Julie KT4JR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 and FLDigi
Jim, I don’t think I gave bad advice, I said I wasn’t sure about RTTY, right? That’s an invitation for someone more knowledgeable to jump in. But as you point out, RTTY is different from the other data modes, which use USB (actually DATA on the Upper Sideband). While factory defaults may be right on the K3, since it stores last used, it is often very easy to get it changed and not realize it. I know I had problems with a single band in digital and it turned out that that particular band was using the wrong sideband presumably due to my changing it at some point in the past. Also there is the issue with is the person using direct keying or AFSK which are different settings. fldigi would probably be using audio tones not direct keying although I think that’s possible. I am not an RTTY operator. Some digital modes operate upper or lower but I believe some must be upper. I think this is addressed on W1HKJ’s website. Ken WA8JXM On Feb 25, 2015, at 10:20 AM, Jim's Desktop w...@cox.net wrote: Ken, You've given some bad advice. Having been on RTTY from 1963 through present with machines as well as computers now, the convention for RTTY has ALWAYS been LSB no matter which band you're on and the K3 treats it that way. Not all multi mode programs do it right though as apparently the programmer didn't thoroughly check the convention for the different modes. PSK-31 works no matter which sideband you use but I don't know about the other modes such as PSK-63, Olivia, etc., as I never use them. Jim - W0EB __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] Selling Synths
Not necessarily. The old radio had the old synth, which cost something. The new radios have the new synth, which also cost something. If the two somethings are the same, the total costs of the old and new would be the same. But selling the new synth all by itself would still require charging something. That something would include amortization of development costs. So the new radios with the new synth could cost more, less, or the same, depending on the relative costs of the old and new components. Ted. KN1CBR -- Message: 14 Date: Wed, 25 Feb 2015 12:47:13 +1000 From: Gary Gregory vk1zzg...@gmail.com To: Rick Bates happymooseph...@gmail.com Cc: Elecraft List elecraft@mailman.qth.net, Stan Gibbs KR7C s...@kr7c.net Subject: Re: [Elecraft] Old KSYN3 cards Message-ID: CA+MFBaFx77qZ-0xxKs5Z=bsh59-txqxbbjjqp_31ceywpkl...@mail.gmail.com Content-Type: text/plain; charset=UTF-8 Hif a new board is $200 as a standalone upgrade item, one might assume it would increase the cost of a new k3 by at least a smaller margin to help defray design costs. If not then one could ponder if these other factors are simply applied to boards sold separately. Just curious. I wont be upgrading just yetfirst job is to get my K3 to work as designed. Being an older serial number it has issues and a return trip to the factory is over $850.00 AUD sadly, so for now it is accumulating dust and age. Gary Vk1ZZ K3, KX3, KPA500-FT, KAT500-FT,P3. On 25/02/2015 12:37 PM, Rick Bates happymooseph...@gmail.com wrote: __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] New syn card
It seems obvious to me this new upgrade is not for everybody. If you need, or want, what it does then buy it. If you don't, then don't. For some just the fact that an improvement is available is sufficient justification. For others it may fix an annoying problem. However for most of us I doubt this is necessary to enjoy our K3's. As for the Sherwood score again, who cares? Elecraft ultimately would be the most interested since it somehow validates in some folks minds that they make the best. Good for them. For my purposes even without the upgrade, they still have the best. I am an avid fly fisherman. Like just about any hobby, there are several manufacturers of high end equipment. There are about five makers of fly rods that dominate the high end market. They are all very fine rods but each just a little different enough that they have their own following. Invariably each claims to be the best. I am friends with a long time fly shop owner who confided to me that, once you go above a certain dollar figure, they are all very fine and have very little differences. They all have this in common; all are very expensive and they get the job done, period. Beyond that personal tastes gets involved, something totally subjective with little to substantiate claims of superiority. Oh, and don't forget brand loyalty. When I was a dedicated Ten Tec fan I often heard the remark fanatic in reference to their users. Well, maybe, depends on your definition of fanatic! I have the K line and the KX3. Love every one of them and use them often. Ultimately, performance depends on the person sitting in front of the radio. They are tools that exceed my ability which is a good thing. I have room to grow and become a better operator. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3 - Adjustable RTY/PSK Idle Timeout
Hi Don.
I'm aware of the IM feature and I do make use of it during casual use.
However, I'm trying to make the most of the CAT sending capability of the
KX3 and USB cable in a contesting/event situation (like Field Day) using
N1MM, but without audio interfacing.
For N1MM macros can one embed this IM into a KY command string without
it becoming an I followed by an M? I did try this, but it just comes out
I and M as I suspected it would. On another KX3 group, Wayne mentioned
other methods including sending 0x04 and using a | symbol. Neither seems
to work in the N1MM macro context.
The good news is I have successfully programmed the macro to terminate
right after sending using this N1MM macro string designed for the VaQP...
F1 Run CQ,{CATA1ASC KY CQ VQP CQ VQP;}{CATA1ASC KYW DE {MYCALL}{MYCALL}
QRZ;}{CATA1ASC RX;}
This nicely waits to execute that last RX command till after the last
character is sent to the KX3, but the RX executes immediately cutting off
that last character mid transmit. Somewhere somehow I need to introduce a
delay between the last character sent and the execution of the RX command
long enough to finish transmitting that last character in RTTY or PSK31.
As I understand it, a RTTY character takes about 165 milliseconds to
transmit and the worst case PSK31 character (10 bits) takes about 313
milliseconds.
There are several potential solutions.
First I would never want the RX command to change since having something
that instantly takes the KX3 out of transmit is a good thing. So a new
command (i.e. RXABE - RX after buffer empty?) that puts the KX3 into
receive only after the character buffer has completed transmission might
be nice.
I suspect the simplest solution of all is for me to eliminate the RX
command in the N1MM macro string and the KX3 provide a method to adjust
that 4 second idle time to user preference. This could be:
DATA_IDLE_TIME: 4s (default), 2s, 1s, 0.5s, etc.
...or maybe...
DATA_IDLE_TIME: 4s (default), ASAP
Where ASAP = 200 milliseconds for RTTY and 400 milliseconds for PSK31
At this point, I'd be happy with a 1 second idle time option to complement
the 4s ragchew default.
All hail software defined radios where feature requests like this actually
have a possibility of implementation.
John, kx4o
On Wed, February 25, 2015 05:08, Don Wilhelm wrote:
John,
Send the IM character to stop transmission immediately. That is sent as
a prosign would be - dit dit dah dah, and not as 2 letters. If you have
trouble sending it correctly, think of it as sending the numeral 2 without
the last dah. You can also imbed that character in memories. It will not
send anything in CW, but will end transmission immediately in data modes.
73,
Don W3FPR
On 2/24/2015 9:32 PM, John wrote:
Hello,
Is the default 4 second idle timeout in the KX3's built-in keyer
RTTY/PSK31 transmit feature something we can adjust to, say, 1/2
second? It seems all too often a response is well underway by the time
the transmission ends in quick QSO conditions.
__
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Re: [Elecraft] K3 and FLDigi
In what way doesn’t it work on RTTY? Just not decoding? That could be an upper/lower sideband issue. After properly tuning an RTTY signal, click the RV (reverse) button on the bottom right and see if that corrects the decode. If so, you need some properly set up the K3 for decode on the band in question, or use fldigi to get it right (DATA vs. DATA-R) in the box to the upper right of the frequency readout. Of course, it could be other issues, but that’s the first that comes to mind. Generally data modes all operate on USB but the K3 doesn’t necessarily follow that, depending on your settings. I’m not sure about RTTY, whether it is USB on all bands or not. But anyway, changing the RV button will tell you if that is the issue. Ken WA8JXM On Feb 24, 2015, at 1:09 PM, Mike Reublin NF4L n...@comcast.net wrote: I've been using CocoaModem, but since Chen isn't supporting it anymore, I feel the need to move on. I'm trying to get fldigi working, hopefully with RUMLogNG. It decodes CW but not RTTY, and doesn't transmit either. I suspect off-line would be best. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] RFI/EMI and dealing with it
Switching power supplies can generate a lot of RFI if not properly designed and filtered (can you say “lowest cost chinese bidder?). The little wall-warts are often switching supplies and often poorly filtered. If they are your problem (easy to tell by unplugging them), you can replace them with better warts, or, if they are 12v, run them off of your main 12v supply. Ferrite beads might help, I would place them close to the wart itself. One of the best ways to tell if the noise is from inside your house is to run the rig off of battery power and throw the main breakers. If the noise drops, then you can hunt within your own domain. But if the noise remains, then it is external to your home. I’ve done the battery op trick here and the noise did not change, it’s incoming on the power line. Ken WA8JXM On Feb 25, 2015, at 10:00 AM, Joshua Gould jg.k8...@gmail.com wrote: Greetings, I am the relatively new owner of a KX3 and I've discovered somewhat of a problem: The switching power supplies that supply power to at least my laptop, an external display, the router, the desk lamp and possibly my speakers create S5-7 noise on all bands and S9 noise on some of them. I unplugged the power cable that controls the desk and the noise dropped to an S1-2. I plugged the main power cord back in and then started by unplugging individual items, keeping track of what I was plugging in and what the noise level was like. I placed an order on Amazon for some snap on ferrite beads and they should be here today. Having never had to track down the source of noise like this, I am unsure of where to place the beads to have the maximum effect to clear up the signals so I can enjoy operating from home... I'll add that I first noticed the high amounts of noise after I had strung up a wire inside the office because something had happened to my G5RV on the roof. I am suspecting bad coax on the G5RV as I have it working by playing with the coax. Neither of the PL-259s on my Comet CTC-50 window passthrough jumper (Landlord and XYL say no holes in the house.. :() are tightened down and I can hear stations in the noise. Tighten them down and I get silence. If I unplug the antenna from the side of the KX3, I get silence (well, unless the volume is up in the 30's or higher and I have the speakers connected) I can still hear noise but it doesn't register on the S meter. If anyone could help out a still somewhat new General with this, it would be appreciated. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] RFI/EMI and dealing with it
Hi Joshua. I suggest using EMI/RFI filters in a box. For example, Corcom 10VR1 into a metallic box with male and female AC outlets to connect AC power of PCs, Laptop, etc. Preferably, the length of power cord from box to equipment must be short as possible. Edu YV4GMJ On Wed, Feb 25, 2015 at 10:46 AM, Ken wa8...@gmail.com wrote: Switching power supplies can generate a lot of RFI if not properly designed and filtered (can you say “lowest cost chinese bidder?). The little wall-warts are often switching supplies and often poorly filtered. If they are your problem (easy to tell by unplugging them), you can replace them with better warts, or, if they are 12v, run them off of your main 12v supply. Ferrite beads might help, I would place them close to the wart itself. One of the best ways to tell if the noise is from inside your house is to run the rig off of battery power and throw the main breakers. If the noise drops, then you can hunt within your own domain. But if the noise remains, then it is external to your home. I’ve done the battery op trick here and the noise did not change, it’s incoming on the power line. Ken WA8JXM On Feb 25, 2015, at 10:00 AM, Joshua Gould jg.k8...@gmail.com wrote: Greetings, I am the relatively new owner of a KX3 and I've discovered somewhat of a problem: The switching power supplies that supply power to at least my laptop, an external display, the router, the desk lamp and possibly my speakers create S5-7 noise on all bands and S9 noise on some of them. I unplugged the power cable that controls the desk and the noise dropped to an S1-2. I plugged the main power cord back in and then started by unplugging individual items, keeping track of what I was plugging in and what the noise level was like. I placed an order on Amazon for some snap on ferrite beads and they should be here today. Having never had to track down the source of noise like this, I am unsure of where to place the beads to have the maximum effect to clear up the signals so I can enjoy operating from home... I'll add that I first noticed the high amounts of noise after I had strung up a wire inside the office because something had happened to my G5RV on the roof. I am suspecting bad coax on the G5RV as I have it working by playing with the coax. Neither of the PL-259s on my Comet CTC-50 window passthrough jumper (Landlord and XYL say no holes in the house.. :() are tightened down and I can hear stations in the noise. Tighten them down and I get silence. If I unplug the antenna from the side of the KX3, I get silence (well, unless the volume is up in the 30's or higher and I have the speakers connected) I can still hear noise but it doesn't register on the S meter. If anyone could help out a still somewhat new General with this, it would be appreciated. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to edujo...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] RFI/EMI and dealing with it
Hi Joshua, Several years ago, I wrote a tutorial on RFI and how to deal with it. k9yc.com/RFI-Ham.pdf 73, Jim K9YC On Wed,2/25/2015 7:00 AM, Joshua Gould wrote: Greetings, I am the relatively new owner of a KX3 and I've discovered somewhat of a problem: The switching power supplies that supply power to at least my laptop, an external display, the router, the desk lamp and possibly my speakers create S5-7 noise on all bands and S9 noise on some of them. I unplugged the power cable that controls the desk and the noise dropped to an S1-2. I plugged the main power cord back in and then started by unplugging individual items, keeping track of what I was plugging in and what the noise level was like. I placed an order on Amazon for some snap on ferrite beads and they should be here today. Having never had to track down the source of noise like this, I am unsure of where to place the beads to have the maximum effect to clear up the signals so I can enjoy operating from home... I'll add that I first noticed the high amounts of noise after I had strung up a wire inside the office because something had happened to my G5RV on the roof. I am suspecting bad coax on the G5RV as I have it working by playing with the coax. Neither of the PL-259s on my Comet CTC-50 window passthrough jumper (Landlord and XYL say no holes in the house.. :() are tightened down and I can hear stations in the noise. Tighten them down and I get silence. If I unplug the antenna from the side of the KX3, I get silence (well, unless the volume is up in the 30's or higher and I have the speakers connected) I can still hear noise but it doesn't register on the S meter. If anyone could help out a still somewhat new General with this, it would be appreciated. 72, Joshua Gould K8WXA EM89pn KX3# 7480 NAQCC # 7704 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to j...@audiosystemsgroup.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Sherwood Engineering Tests
Wayne, Will other radios that have the revised synthesizer board upgraded in the field need to perform the receive gain calibration in order to correct the AGC threshold issue as well? Is this something that will change upon installing the new board? 73, Rob KB2KUU Sent: Tuesday, February 24, 2015 4:57:23 PM Subject: Re: [Elecraft] FW: Sherwood Engineering Tests Just to complete the point about this: The K3 tested probably didn't have its S-meter calibration (RX gain cal) completed before we sent it to Rob, an oversight on our part. This procedure is fully automated by the K3 Utility program, and definitely would have corrected the sensitivity threshold issue Rob observed. 73, Wayne N6KR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Sherwood Engineering Tests
On Feb 25, 2015, at 9:36 AM, Rob S. via Elecraft elecraft@mailman.qth.net wrote: Wayne, Will other radios that have the revised synthesizer board upgraded in the field need to perform the receive gain calibration in order to correct the AGC threshold issue as well? Is this something that will change upon installing the new board? No. This only affected Rob's test K3 because we apparently missed this step when we sent it to him. Wayne N6kR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] FW: Sherwood Engineering
Barry, Yes, remembering the pentode front end of my AN-ARC1 (modified for 2m AM) had a horrible Noise Figure (which impacted receive sensitivity). One could probably have a better NF with today's double balance mixers (which are commonly now the front end of HF receivers). This is done for best Blocking Dynamic performance. HF bands may often have -115 dBm noise levels (or higher) so sensitivity is not the main thing driving the design. Lower sideband noise of the new synthesizer will directly improve operating in a crowded band. For what I mainly do in ham radio, low noise figure is mandatory and sensitivity levels like -170 to -180 dBm are strived for. I am talking about eme (moonbounce). As frequency gets higher, sky noise drops rapidly so that receiver internally generated noise becomes the limiting factor. But low phase noise from the LO is also important. It is still somewhat controversial whether that is only in presence of strong adjacent frequency signals or even important for other reasons. I will update my K3 because its possible, so if that has potential of improving my weak-signal ability, my station will benefit. Synthesized PLL LO's are beginning to replace xtal LO's in microwave equipment and particular attention is given to low phase noise. I see the new synth as only good stuff, and spending a couple hundred bucks to keep my 5-year old radio up to current technology is pretty cheap, vs having to buy a brand new radio to get it. 73, Ed - KL7UW From: k3...@comcast.net To: Burdick, Wayne n...@elecraft.com Cc: elecraft Elecraft@mailman.qth.net Subject: Re: [Elecraft] FW: Sherwood Engineering Tests Message-ID: 1691035197.17114594.1424829382558.javamail.zim...@comcast.net Content-Type: text/plain; charset=utf-8 I'm old enough to remember that the most important characteristic of a receiver was sensitivity. Nothing else seemed to matter. Some receivers of the time had 2 RF amplifiers to make sure that they won the sensitivity battle. And, what would happened when a strong signal, not necessarily S9, would appear, bad things happened to your radio. At this point I won't define the date. This lunacy was being looked at by a number engineers, to include Dr. Ulrich Rhode, W2 something. I forget his call. He said in a series of papers in professional journals and Ham Radio Magazine that sensitivity was not the most important parameter at the time. It would turn out to be LO noise sidebands and dynamic range. That still holds today, and now, IMHO, ultimate rejection should be added. All of this is shown in Sherwood's data. What this all means is that all of the receiver parameters must be looked at to decide what makes a great radio. I suggest a review of some of Rhode's papers. His writings make extremely interesting reading as it addresses this discussion directly. 73, Barry K3NDM 73, Ed - KL7UW http://www.kl7uw.com Kits made by KL7UW Dubus Mag business: dubus...@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] [ELECRAFT] WTB K3EXREF
If you no longer have need of your K3EXREF kit, I'd like to purchase it from you: I have an urge to play! If needs be, it can be shipped to an address in CONUS and I'll pay in USD via PayPal. Thanks for reading, guys. 73 Dave G3TJP __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 and FLDigi
With a lot of help from people here, it's working. I'm using an iMic USB sound card. Sound setup in a Mac is tedious. Adjust the level to 3 or 4 bars on the K3 ALC meter. I was unable to get the flickering bar. My slider took me from 3 bars to 7 with the least I could move the slider. In fldigi, select the Configure menu item, then Rig Control. On the dialog that appears select the Rig tab, then the Hamlib tab. For Rig, choose Elecraft K3/KX5 (Beta). Device, choose the serial port that connects the 'puter to the K3. Baud Rate to 38400(must match what the K3 is set to), 1 stop bit. Sideband is Rig Mode Check Use Hamlib and PTT via Hamlib command. Click Initialize, and Save. I don't like this arrangement, because I want my logging program to connect to the K3, but if this isn't set, then fldigi doesn't generate any tones. There has to a way to key using VOX. Select the Audio tab and set your sound IO. Click Save. Operator info was filled in. Click Save and Close. Click Op Mode and choose RTTY, then your RTTY flavor. That sets the box in the lower left corner of the screen to RTTY. Don't click on that box and change anything there. There is a box and down arrow just under the frequency display. Set that and it changes the mode on the K3, so I choose RTTY. The DATA sub-mode on the K3 is AFSK A. Any further info welcome! 73, Mike NF4L On Feb 24, 2015, at 13:09, Mike Reublin NF4L n...@comcast.net wrote: I've been using CocoaModem, but since Chen isn't supporting it anymore, I feel the need to move on. I'm trying to get fldigi working, hopefully with RUMLogNG. It decodes CW but not RTTY, and doesn't transmit either. I suspect off-line would be best. 73, Mike NF4L __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to n...@comcast.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Selling Synths
I think that is not correct, since I wasn¹t referring to prices. I was referring to costs - i.e the inputs. In microeconomics the difference between costs and prices is fundamental. Most people conflate the two in ordinary speech; but they are different. Edward A. Dauer Dean Emeritus and Professor Emeritus of Law University of Denver On 2/25/15, 11:46 AM, jim jbol...@outlook.com wrote: Ted, You have it backwards. The market sets the end sell price. The company then determines if it can provide that product/service (looking at all their costs) and still make a profit. And it is not as simple as I have stated. Outrageous profits for products/services do not last a long time in the marketplace. Competition comes in. Apple comes to mind. Outrageous losses for products/services do not last a long time in the marketplace. The biz folds. Countless examples. There are careers dedicated to setting prices in the market place. Their livelihood depends on getting it right. And then you have the Strategic element in the overall business that enters the equation, and.. A career! Jim W6AIM -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dauer, Edward Sent: Wednesday, February 25, 2015 7:20 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Selling Synths Not necessarily. The old radio had the old synth, which cost something. The new radios have the new synth, which also cost something. If the two somethings are the same, the total costs of the old and new would be the same. But selling the new synth all by itself would still require charging something. That something would include amortization of development costs. So the new radios with the new synth could cost more, less, or the same, depending on the relative costs of the old and new components. Ted. KN1CBR -- Message: 14 Date: Wed, 25 Feb 2015 12:47:13 +1000 From: Gary Gregory vk1zzg...@gmail.com To: Rick Bates happymooseph...@gmail.com Cc: Elecraft List elecraft@mailman.qth.net, Stan Gibbs KR7C s...@kr7c.net Subject: Re: [Elecraft] Old KSYN3 cards Message-ID: CA+MFBaFx77qZ-0xxKs5Z=bsh59-txqxbbjjqp_31ceywpkl...@mail.gmail.com Content-Type: text/plain; charset=UTF-8 Hif a new board is $200 as a standalone upgrade item, one might assume it would increase the cost of a new k3 by at least a smaller margin to help defray design costs. If not then one could ponder if these other factors are simply applied to boards sold separately. Just curious. I wont be upgrading just yetfirst job is to get my K3 to work as designed. Being an older serial number it has issues and a return trip to the factory is over $850.00 AUD sadly, so for now it is accumulating dust and age. Gary Vk1ZZ K3, KX3, KPA500-FT, KAT500-FT,P3. On 25/02/2015 12:37 PM, Rick Bates happymooseph...@gmail.com wrote: __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to jbol...@outlook.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Selling Synths
Ted, You have it backwards. The market sets the end sell price. The company then determines if it can provide that product/service (looking at all their costs) and still make a profit. And it is not as simple as I have stated. Outrageous profits for products/services do not last a long time in the marketplace. Competition comes in. Apple comes to mind. Outrageous losses for products/services do not last a long time in the marketplace. The biz folds. Countless examples. There are careers dedicated to setting prices in the market place. Their livelihood depends on getting it right. And then you have the Strategic element in the overall business that enters the equation, and.. A career! Jim W6AIM -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dauer, Edward Sent: Wednesday, February 25, 2015 7:20 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Selling Synths Not necessarily. The old radio had the old synth, which cost something. The new radios have the new synth, which also cost something. If the two somethings are the same, the total costs of the old and new would be the same. But selling the new synth all by itself would still require charging something. That something would include amortization of development costs. So the new radios with the new synth could cost more, less, or the same, depending on the relative costs of the old and new components. Ted. KN1CBR -- Message: 14 Date: Wed, 25 Feb 2015 12:47:13 +1000 From: Gary Gregory vk1zzg...@gmail.com To: Rick Bates happymooseph...@gmail.com Cc: Elecraft List elecraft@mailman.qth.net, Stan Gibbs KR7C s...@kr7c.net Subject: Re: [Elecraft] Old KSYN3 cards Message-ID: CA+MFBaFx77qZ-0xxKs5Z=bsh59-txqxbbjjqp_31ceywpkl...@mail.gmail.com Content-Type: text/plain; charset=UTF-8 Hif a new board is $200 as a standalone upgrade item, one might assume it would increase the cost of a new k3 by at least a smaller margin to help defray design costs. If not then one could ponder if these other factors are simply applied to boards sold separately. Just curious. I wont be upgrading just yetfirst job is to get my K3 to work as designed. Being an older serial number it has issues and a return trip to the factory is over $850.00 AUD sadly, so for now it is accumulating dust and age. Gary Vk1ZZ K3, KX3, KPA500-FT, KAT500-FT,P3. On 25/02/2015 12:37 PM, Rick Bates happymooseph...@gmail.com wrote: __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to jbol...@outlook.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] FW: Sherwood Engineering Tests
Progress lurches forward. Someone I am sure asked what are we going to use this high temperature material for, we are never going to the moon Jim W6AIM -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Stewart Sent: Wednesday, February 25, 2015 12:11 AM To: k3...@comcast.net; Burdick, Wayne Cc: elecraft Subject: Re: [Elecraft] FW: Sherwood Engineering Tests I can't help thinking that we are getting to a point where this number chasing is irrelevant. Until high noise levels caused by EMI and the poor transmitted signals during DX hunting and contests are eliminated, further improvements in receive performance figures are unlikely to be of much practical value. My 2p's worth... 73 Stewart G3RXQ On Wed, 25 Feb 2015 01:56:22 + (UTC), k3...@comcast.net wrote: I'm old enough to remember that the most important characteristic of a receiver was sensitivity. Nothing else seemed to matter. Some receivers of the time had 2 RF amplifiers to make sure that they won the sensitivity battle. And, what would happened when a strong signal, not necessarily S9, would appear, bad things happened to your radio. At this point I won't define the date. This lunacy was being looked at by a number engineers, to include Dr. Ulrich Rhode, W2 something. I forget his call. He said in a series of papers in professional journals and Ham Radio Magazine that sensitivity was not the most important parameter at the time. It would turn out to be LO noise sidebands and dynamic range. That still holds today, and now, IMHO, ultimate rejection should be added. All of this is shown in Sherwood's data. What this all means is that all of the receiver parameters must be looked at to decide what makes a great radio. I suggest a review of some of Rhode's papers. His writings make extremely interesting reading as it addresses this discussion directly. 73, Barry K3NDM - Original Message - From: Wayne Burdick n...@elecraft.com To: Chester Alderman alderm...@windstream.net Cc: Elecraft Reflector Elecraft@mailman.qth.net Sent: Tuesday, February 24, 2015 4:57:23 PM Subject: Re: [Elecraft] FW: Sherwood Engineering Tests Just to complete the point about this: The K3 tested probably didn't have its S-meter calibration (RX gain cal) completed before we sent it to Rob, an oversight on our part. This procedure is fully automated by the K3 Utility program, and definitely would have corrected the sensitivity threshold issue Rob observed. 73, Wayne N6KR On Feb 24, 2015, at 1:54 PM, Wayne Burdick n...@elecraft.com wrote: Some on this list are still mistaking this column of Sherwood's chart as *receiver sensitivity*. I believe it is a measurement of AGC threshold. The K3's receiver sensitivity (MDS) is excellent by any measure; see the noise floor column. (Side-note: It's interesting that the preamp-off sensitivity of the tested K3 was -136 dBm, while that of the Flex 6700 was -118 dBm -- an 18-dB difference. One would have to leave the preamp ON much more often with the '6700. As Sherwood noted, this maximizes the '6700's dynamic range, but you'd also be hitting the A/D that much harder.) 73, Wayne N6KR On Feb 24, 2015, at 12:24 PM, Chester Alderman alderm...@windstream.net wrote: _ From: Chester Alderman [mailto:alderm...@windstream.net] Sent: Tuesday, February 24, 2015 1:59 PM To: 'Yngvi (TF3Y)' Cc: 'Elecraft Reflector' Subject: RE: [Elecraft] Sherwood Engineering Tests Hi Yvgvi, I wonder, given atmospheric noise levels, if that is really going to be noticed by the operator. I seriously doubt It would be noticed in a contest? 73, Tom - W4BQF -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Yngvi (TF3Y) Sent: Tuesday, February 24, 2015 1:26 PM To: elecraft@mailman.qth.net mailto:elecraft@mailman.qth.net Subject: Re: [Elecraft] Sherwood Engineering Tests These are interesting stats. One thing I noticed was the apparent loss in sensitivity as measured by Sherwood. This is probably not a big issue for most these days with the ever increasing noise levels but for the few in silent locations, incl. some DXpeditions this might be an issue. Any comments on this? 73, Yngvi TF3Y http://www.tf3y.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please
[Elecraft] [K2] Confused when calibrating 4MHz oscillator
I know this has been done to death on here, but I'm confused. I'm following Wayne's procedure to calibrate the 4MHz oscillator. I'm using Radio China International on 9600kHz. By comparing the Rx audio on the K2 with that received on another receiver, I see that the Dial f on the K2 is 9600.44kHz. Now, according to Wayne's instructions, I adjust C22 whilst comparing TP1 and TP2. Now,the audio pitch, and thus my subjective comparison of the correct frequency, is being determined partly by the BFO frequency isn't it? So, surely this approach is flawed? What am I missing? Gareth - M5KVK __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] KX3 - Adjustable RTY/PSK Idle Timeout
John,
It sounds like you have accomplished a workaround the problem of N1MM
not being able to send either the 0x04 or the 'pipe' character (|).
That is an N1MM failing IMHO and not something that the KX3 (or the K3)
should make provisions for.
73,
Don W3FPR
On 2/25/2015 10:02 AM, John Huggins, kx4o wrote:
Hi Don.
I'm aware of the IM feature and I do make use of it during casual use.
However, I'm trying to make the most of the CAT sending capability of the
KX3 and USB cable in a contesting/event situation (like Field Day) using
N1MM, but without audio interfacing.
For N1MM macros can one embed this IM into a KY command string without
it becoming an I followed by an M? I did try this, but it just comes out
I and M as I suspected it would. On another KX3 group, Wayne mentioned
other methods including sending 0x04 and using a | symbol. Neither seems
to work in the N1MM macro context.
The good news is I have successfully programmed the macro to terminate
right after sending using this N1MM macro string designed for the VaQP...
F1 Run CQ,{CATA1ASC KY CQ VQP CQ VQP;}{CATA1ASC KYW DE {MYCALL}{MYCALL}
QRZ;}{CATA1ASC RX;}
This nicely waits to execute that last RX command till after the last
character is sent to the KX3, but the RX executes immediately cutting off
that last character mid transmit. Somewhere somehow I need to introduce a
delay between the last character sent and the execution of the RX command
long enough to finish transmitting that last character in RTTY or PSK31.
As I understand it, a RTTY character takes about 165 milliseconds to
transmit and the worst case PSK31 character (10 bits) takes about 313
milliseconds.
There are several potential solutions.
First I would never want the RX command to change since having something
that instantly takes the KX3 out of transmit is a good thing. So a new
command (i.e. RXABE - RX after buffer empty?) that puts the KX3 into
receive only after the character buffer has completed transmission might
be nice.
I suspect the simplest solution of all is for me to eliminate the RX
command in the N1MM macro string and the KX3 provide a method to adjust
that 4 second idle time to user preference. This could be:
DATA_IDLE_TIME: 4s (default), 2s, 1s, 0.5s, etc.
...or maybe...
DATA_IDLE_TIME: 4s (default), ASAP
Where ASAP = 200 milliseconds for RTTY and 400 milliseconds for PSK31
At this point, I'd be happy with a 1 second idle time option to complement
the 4s ragchew default.
All hail software defined radios where feature requests like this actually
have a possibility of implementation.
John, kx4o
On Wed, February 25, 2015 05:08, Don Wilhelm wrote:
John,
Send the IM character to stop transmission immediately. That is sent as
a prosign would be - dit dit dah dah, and not as 2 letters. If you have
trouble sending it correctly, think of it as sending the numeral 2 without
the last dah. You can also imbed that character in memories. It will not
send anything in CW, but will end transmission immediately in data modes.
73,
Don W3FPR
On 2/24/2015 9:32 PM, John wrote:
Hello,
Is the default 4 second idle timeout in the KX3's built-in keyer
RTTY/PSK31 transmit feature something we can adjust to, say, 1/2
second? It seems all too often a response is well underway by the time
the transmission ends in quick QSO conditions.
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[Elecraft] K3 Locks up in Transmit in data mode.
Hi This is probably finger trouble, but I cannot see what the problem is, so I wonder if anyone knows what is going on. I have a K3, Sigalink and HRD/DM780. For voice and CW including using the winkeyer all works fine including CAT. However I get a transmit lockup in data mode. I am using vox from the Sigalink to control the K3 PTT. I have K3 power turned to zero. I set the K3 in data mode and send some data and all is well relays go over tries to send some data goes back to receive. If I plug in the RS232 cable and send some data all works well, the Sigalink drops PTT, buy the K3 locks in transmit and will not come out of transmit until I power cycle the K3. Removing the RS232 cable has no effect unless I power cycle the K3. Removing the RS232 cable and all works exactly as expected. I have configured ptt to off-off. Does anyone have any idea what I am doing wrong here? Many thanks Stewart/G3YSX __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] FW: Sherwood Engineering
Ed, I haven't checked but a few HF receivers. However, the ones I did showed noise figures of anywhere from 15 to 23 db, which is adequate for most HF work until you get up to the higher end. Pre-amps were invented for that. Before 2 db or better noise figure MOSFETS or eqiv. there was the parametric amplifier for those who wanted the best of noise figures for EME or other really low signal levels. I'm really glad technology makes life easier by replacing those evil little monsters. I, for one, never want to use a paramp again for the rest of my life. In my early years, there was CCIR-322 that defined the expected value of atmospheric noise by location, etc. I remember that 80 meters had an expected value of about 80 db Fa, or equivalent NF. and that tapered off until you hit galactic noise around 15-18 MHZ. All of which is/was below the average HF receiver noise figure. Where life gets interesting is that atmospheric noise in mostly lightning propagated from the tropics. Why is this important? because even on 10 meters the noise goes up when the band is open. This argument's premiss is that most receivers are over designed if sensitivity is the only parameter used to defined performance. If you find yourself in a position where your receiver noise figure at the moment is inadequate, having a pre-amp may help. Why the hedge? well, let's consider the last weekend's DX contest. 10 was crazy open with many very strong signals sitting side by side with weaker to much weaker signals. Had I turned on my pre-amp, and had I not owned a KX3, the result could have been that the strong signals might have hidden the weaker ones due to an apparent increase in the receiver noise floor caused by the mixing of strong signals with other noise. My receiver would have appeared to be less sensitive than it would have been with the pre-amp turned off. This was also the position that was written up by Rhode and others who stated that we were at a point where signal handling was as important or more important than just how sensitive the receiver was. And, ultimate filtering and shape factors have a place in this as it helps keep strong signals away from weak ones. However, there are other attributes of receiver design that help define just how good a radio will be. Unfortunately, some of them interact, and not always the best way. Bob Sherwood measures and publishes data that can help a perspective buyer make some guess what receiver would work best in a particular shack. The rankings are his opinion. Admittedly, buying a radio in his top rankings shouldn't disappoint, but all of the data should be looked at. And price is certainly a parameter that needs to be considered along with Bob's data. I still recommend that those not familiar with why receivers work and how they function in a real environment search out some of the work printed in the 60's and 70's on receivers design. They contain minimal math and are a good discussion of the real receiver issues. That should put Bob's work in perspective and help make sense of the data. And, IMHO, using a K3 or KX3 is the way to go. And for me, my requirement set drove me to the KX3, and I haven't been disappointed. 73, Barry K3NDM - Original Message - From: Edward R Cole kl...@acsalaska.net To: elecraft Elecraft@mailman.qth.net Sent: Wednesday, February 25, 2015 9:27:32 AM Subject: Re: [Elecraft] FW: Sherwood Engineering Barry, Yes, remembering the pentode front end of my AN-ARC1 (modified for 2m AM) had a horrible Noise Figure (which impacted receive sensitivity). One could probably have a better NF with today's double balance mixers (which are commonly now the front end of HF receivers). This is done for best Blocking Dynamic performance. HF bands may often have -115 dBm noise levels (or higher) so sensitivity is not the main thing driving the design. Lower sideband noise of the new synthesizer will directly improve operating in a crowded band. For what I mainly do in ham radio, low noise figure is mandatory and sensitivity levels like -170 to -180 dBm are strived for. I am talking about eme (moonbounce). As frequency gets higher, sky noise drops rapidly so that receiver internally generated noise becomes the limiting factor. But low phase noise from the LO is also important. It is still somewhat controversial whether that is only in presence of strong adjacent frequency signals or even important for other reasons. I will update my K3 because its possible, so if that has potential of improving my weak-signal ability, my station will benefit. Synthesized PLL LO's are beginning to replace xtal LO's in microwave equipment and particular attention is given to low phase noise. I see the new synth as only good stuff, and spending a couple hundred bucks to keep my 5-year old radio up to current technology is pretty cheap, vs having to buy a brand new radio to get it. 73, Ed - KL7UW
Re: [Elecraft] [K2] Confused when calibrating 4MHz oscillator
Garth, That approach is not flawed. When you tune in any signal of a known frequency (in either LSB or USB mode), when you have it tuned properly (for audio), then the actual BFO frequency subtracted from the VFO frequency will be exactly the carrier frequency of that station. Once you have properly tuned in the station, enter the menu for CAL FCTR and alternate the internal counter probe between TP1 and TP2 - then adjust C22 until the frequency read at TP1 minus the frequency read at TP3 is equal the frequency of the station. Since your chosen station is on an frequency that ends in two zeros, you can ignore the high order digits in the display and adjust C22 until the low order 4 digits are equal. and save yourself the continual subtraction process (but double check when you think you have it correct. That is only half the job - since the K2 does not use the frequency of the 4 MHz Reference directly for the dial reading. You must follow the C22 adjustment with a run of CAL PLL followed by CAL FIL. In CAL FIL, you must 'change' each BFO frequency. If it was correctly aligned before, move it up one bit and move it back down to the original setting. Do the whole process in one sitting so that the 4 MHz oscillator does not drift between the setting of C22 and the run of CAL PLL and CAL FIL. The short term stability for the 4 MHz oscillator is good, but the long term not so. After you have done all that, your K2 should be on frequency - allow a +/- 20 Hz error since that is the BFO DAC resolution limit. If it is worse than that limit, repeat the entire procedure, going back to the adjustment of C22. If you need more detailed information on the process, look at the K2 Dial Calibration article on my website www.w3fpr.com. 73, Don W3FPR On 2/25/2015 3:50 PM, Gareth - M5KVK wrote: I know this has been done to death on here, but I'm confused. I'm following Wayne's procedure to calibrate the 4MHz oscillator. I'm using Radio China International on 9600kHz. By comparing the Rx audio on the K2 with that received on another receiver, I see that the Dial f on the K2 is 9600.44kHz. Now, according to Wayne's instructions, I adjust C22 whilst comparing TP1 and TP2. Now,the audio pitch, and thus my subjective comparison of the correct frequency, is being determined partly by the BFO frequency isn't it? So, surely this approach is flawed? __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 Locks up in Transmit in data mode.
Stewart, By saying you are using VOX in Signalink to control PTT are you saying that you are using the PTT output of Signalink to control transmission? With a cable to the PTT jack? You mentioned the RS-232 cable which makes me wonder which of the Signalink Radio Cables you are using. I am going to assume you are using the SLUSBK3 cable which connects to the K3 reap panel audio jacks and the PTT jack. If so, do you also have VOX set on in the K3. This is a common problem if both Signalink PTT and the K3 VOX are active. Unplug the PTT cable from the Signalink and just use the VOX in the K3, or turn off VOX in the K3 and use the PTT from Signalink - your choice, but do not use both. 73, Don W3FPR On 2/25/2015 4:35 PM, Stewart Bryant wrote: Hi This is probably finger trouble, but I cannot see what the problem is, so I wonder if anyone knows what is going on. I have a K3, Sigalink and HRD/DM780. For voice and CW including using the winkeyer all works fine including CAT. However I get a transmit lockup in data mode. I am using vox from the Sigalink to control the K3 PTT. I have K3 power turned to zero. I set the K3 in data mode and send some data and all is well relays go over tries to send some data goes back to receive. If I plug in the RS232 cable and send some data all works well, the Sigalink drops PTT, buy the K3 locks in transmit and will not come out of transmit until I power cycle the K3. Removing the RS232 cable has no effect unless I power cycle the K3. Removing the RS232 cable and all works exactly as expected. I have configured ptt to off-off. Does anyone have any idea what I am doing wrong here? Many thanks Stewart/G3YSX __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to w3...@embarqmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 Locks up in Transmit in data mode.
Hi Don Thanks for the reply. On 25/02/2015 22:23, Don Wilhelm wrote: Stewart, By saying you are using VOX in Signalink to control PTT are you saying that you are using the PTT output of Signalink to control transmission? With a cable to the PTT jack? Yes, that is how it is configured. You mentioned the RS-232 cable which makes me wonder which of the Signalink Radio Cables you are using. I am going to assume you are using the SLUSBK3 cable which connects to the K3 reap panel audio jacks and the PTT jack. Correct. If so, do you also have VOX set on in the K3. No, I turned this off. This is a common problem if both Signalink PTT and the K3 VOX are active. Unplug the PTT cable from the Signalink and just use the VOX in the K3, or turn off VOX in the K3 and use the PTT from Signalink - your choice, but do not use both. The key factor in avoiding the hang (which happens in both DN780 and FLdigi seems to be not sending audio with the CAT cable connected, but the off-off setting should surely cause the CAT control lines to be ignored, shouldn't it? 73 Stewart/G3YSX 73, Don W3FPR On 2/25/2015 4:35 PM, Stewart Bryant wrote: Hi This is probably finger trouble, but I cannot see what the problem is, so I wonder if anyone knows what is going on. I have a K3, Sigalink and HRD/DM780. For voice and CW including using the winkeyer all works fine including CAT. However I get a transmit lockup in data mode. I am using vox from the Sigalink to control the K3 PTT. I have K3 power turned to zero. I set the K3 in data mode and send some data and all is well relays go over tries to send some data goes back to receive. If I plug in the RS232 cable and send some data all works well, the Sigalink drops PTT, buy the K3 locks in transmit and will not come out of transmit until I power cycle the K3. Removing the RS232 cable has no effect unless I power cycle the K3. Removing the RS232 cable and all works exactly as expected. I have configured ptt to off-off. Does anyone have any idea what I am doing wrong here? Many thanks Stewart/G3YSX __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to w3...@embarqmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 Locks up in Transmit in data mode.
The key factor in avoiding the hang (which happens in both DN780 and FLdigi seems to be not sending audio with the CAT cable connected, but the off-off setting should surely cause the CAT control lines to be ignored, shouldn't it? It's not the CAT control (RTS-DTR) lines you need to worry about. It is sending TX ON and OX OFF commands via CAT that causes the problem. *Either* use PTT via CAT COMMANDS *or* use the VOX in Signalink/K3 but don't use both. It is when you mix CAT commands and external PTT or VOX that you get the hang problem. In DM780 you can use PTT on the DTR line *don't* use CAT commands. In Fldigi *do not* use CAT command for PTT - instead use Toggle DTR for PTT. *Many* rigs appear to have a race condition in processing CAT based PTT commands and hardware (DTR) PTT. I do not know the internals but it appears they ignore the hardware PTT while processing the CAT command and if the hardware PTT disappears at the wrong time the CAT TX OFF is ignored and then there is no hardware PTT off. In almost every case simply bumping the PTT button on the mic will release the stuck PTT. 73, ... Joe, W4TV On 2015-02-25 5:30 PM, Stewart Bryant wrote: Hi Don Thanks for the reply. On 25/02/2015 22:23, Don Wilhelm wrote: Stewart, By saying you are using VOX in Signalink to control PTT are you saying that you are using the PTT output of Signalink to control transmission? With a cable to the PTT jack? Yes, that is how it is configured. You mentioned the RS-232 cable which makes me wonder which of the Signalink Radio Cables you are using. I am going to assume you are using the SLUSBK3 cable which connects to the K3 reap panel audio jacks and the PTT jack. Correct. If so, do you also have VOX set on in the K3. No, I turned this off. This is a common problem if both Signalink PTT and the K3 VOX are active. Unplug the PTT cable from the Signalink and just use the VOX in the K3, or turn off VOX in the K3 and use the PTT from Signalink - your choice, but do not use both. The key factor in avoiding the hang (which happens in both DN780 and FLdigi seems to be not sending audio with the CAT cable connected, but the off-off setting should surely cause the CAT control lines to be ignored, shouldn't it? 73 Stewart/G3YSX 73, Don W3FPR On 2/25/2015 4:35 PM, Stewart Bryant wrote: Hi This is probably finger trouble, but I cannot see what the problem is, so I wonder if anyone knows what is going on. I have a K3, Sigalink and HRD/DM780. For voice and CW including using the winkeyer all works fine including CAT. However I get a transmit lockup in data mode. I am using vox from the Sigalink to control the K3 PTT. I have K3 power turned to zero. I set the K3 in data mode and send some data and all is well relays go over tries to send some data goes back to receive. If I plug in the RS232 cable and send some data all works well, the Sigalink drops PTT, buy the K3 locks in transmit and will not come out of transmit until I power cycle the K3. Removing the RS232 cable has no effect unless I power cycle the K3. Removing the RS232 cable and all works exactly as expected. I have configured ptt to off-off. Does anyone have any idea what I am doing wrong here? Many thanks Stewart/G3YSX __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to w3...@embarqmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to li...@subich.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3_KSYN3A_Synthesizer
I just built a K3 (#8858) with the new synthesizer, and did the milliwatt calibration without a hitch. I set it for 1.5 mw max output, but possibly you did not crank the power up high enough when you started. I made that mistake reading the power level and got low output. I used a power meter and am seeing 1.0 Milliwatt out on three transverter bands with the K3 dial indicating 0 dBm. Dave K1WHS - Original Message - From: Ken Roberson via Elecraft elecraft@mailman.qth.net To: Elecraft Reflector elecraft@mailman.qth.net Sent: Wednesday, February 25, 2015 11:00 PM Subject: [Elecraft] K3_KSYN3A_Synthesizer Anyone else having trouble with milliwatt TX gain Cal using the new synthesizer boardOr is it just me.Also on the RF power out only one bar is lite up.If I set power to 0 dbm (1 milliwatt) it only shows -12.0 dbm ( .06 mw) Thanks Ken K5DNL/WG2XXM __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to k1...@metrocast.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
Don't be so sure, Bob. George has already questioned his own drive skills! :-) :-) 73, Phil W7OX On 2/25/15 6:04 PM, Bob wrote: Same why question applies to your Porsche? A Chevy will get you to the supermarket and back too. Bob K2TK On 2/25/2015 8:49 PM, George Fritkin via Elecraft wrote: My only question is why? My Porsche is more capable than my driving skills So is my are my K3s more capable than my ham skills George, W6GF George, W6GF Sent from my iPad On Feb 25, 2015, at 5:32 PM, Bayard Coolidge, N1HO via Elecraft elecraft@mailman.qth.net wrote: We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com I'm glad to read this, this evening (ET), so that I could send an e-mail to thesales team, asking them to augment my previous order to include a couple ofKBPF3's and a KXV3A. I'm sure that the entire team is under a huge workload this month as a resultof the KSYN3AUPG announcement, and I just hope everything goes smoothly for them. 73, Bayard R. Brandy Coolidge, N1HO __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] [Elecraft_K3] Re: Synth card order status
I ordered two on February 13'th and they arrived yesterday. 73, Ted, W2ZK On 2/25/2015 10:02 PM, Joe Subich, W4TV wrote: No, a week ago this past Saturday - as in February 14. My assumption was that an order early Saturday afternoon would be in queue before the slackers on the left coast were awake G. Oh well - that just gives me an opportunity to add the audio protection and AUX output current mods to the order. I've been meaning to get to them for some time. Can't say that having the radio open for the Synth updates isn't a good chance to do them. 73, ... Joe, W4TV On 2015-02-25 8:34 PM, Phil Wheeler wrote: If you mean *last* Saturday, some of us ordered 8 days earlier. He who hesitates and all of that. 73, Phil W7OX On 2/25/15 5:10 PM, Merv Schweigert wrote: Same here, ordered Saturday and not a peep so far. Merv K9FD/KH6 As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to li...@subich.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to w...@comcast.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
My only question is why? My Porsche is more capable than my driving skills So is my are my K3s more capable than my ham skills George, W6GF George, W6GF Sent from my iPad On Feb 25, 2015, at 5:32 PM, Bayard Coolidge, N1HO via Elecraft elecraft@mailman.qth.net wrote: We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com I'm glad to read this, this evening (ET), so that I could send an e-mail to thesales team, asking them to augment my previous order to include a couple ofKBPF3's and a KXV3A. I'm sure that the entire team is under a huge workload this month as a resultof the KSYN3AUPG announcement, and I just hope everything goes smoothly for them. 73, Bayard R. Brandy Coolidge, N1HO __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to georgefrit...@yahoo.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
I would venture to think than some (like me) wanted the extra bandwidth. So Now I can go more places, Same with my Jeep I can go more places that I could with a car. From: George Fritkin via Elecraft elecraft@mailman.qth.net To: Bayard Coolidge, N1HO n...@yahoo.com Cc: elecraft list elecraft@mailman.qth.net Sent: Wednesday, February 25, 2015 8:49 PM Subject: Re: [Elecraft] Synth card order status My only question is why? My Porsche is more capable than my driving skills So is my are my K3s more capable than my ham skills George, W6GF George, W6GF Sent from my iPad On Feb 25, 2015, at 5:32 PM, Bayard Coolidge, N1HO via Elecraft elecraft@mailman.qth.net wrote: We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com I'm glad to read this, this evening (ET), so that I could send an e-mail to thesales team, asking them to augment my previous order to include a couple ofKBPF3's and a KXV3A. I'm sure that the entire team is under a huge workload this month as a resultof the KSYN3AUPG announcement, and I just hope everything goes smoothly for them. 73, Bayard R. Brandy Coolidge, N1HO __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to georgefrit...@yahoo.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to hlyin...@yahoo.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Sherwood Engineering
It's simple: The K3 has great audio on both RX and TX. And it now has one of the lowest-noise synthesizers and highest-dynamic range receivers on the planet--possibly all of Alpha quadrant. Please tell your friends. Maybe it'll go viral :) 73, Wayne N6KR On Feb 25, 2015, at 6:16 PM, GRANT YOUNGMAN n...@tx.rr.com wrote: This raises an interesting point. In other venues (casual discussion, fests, on air discussions, etc), I’ve heard several times about the reputation of “bad receive audio” on the K3… and suspect since most of the kibitzers don’t actually own a K3, that it comes from early published sources — or those repeating what they got from the rumor mill started from these early sources. I’ve spent a whole lot of hours in front of my own K3 (fully updated serial 2091) and have yet to be “worn out” or become hearing impaired by the K3’s receive audio. It’s actually quite good. Perhaps it’s time to encourage an update in some of these early reports and evaluations, since material (no matter how outdated) published to the internet and which pops up in Google search seems to live on forever as gospel … Grant NQ5T On Feb 25, 2015, at 6:55 PM, Eric Swartz - WA6HHQ, Elecraft e...@elecraft.com wrote: Also, please note that any comments by Rob regarding RX Audio and the K3 in those presentations refers to K3s sold many years ago. We've made substantial changes to the audio to address his concerns. Eric elecraft.com http://elecraft.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Sherwood Engineering Tests
This is a very good idea. As we've seen from the crappy audio urban legends about the K3, misinformation can take hold and never let go on the Internet. We'll be hearing about the K3 AGC issues for years unless Rob posts revised information. Bet on it. Wayne, send Rob another rig to test, please! 73, Scott, N9AA On 2/25/15 10:38 PM, Guy Olinger K2AV wrote: Are you sending him a replacement so he can redo the figures? 73, Guy. On Wed, Feb 25, 2015 at 12:54 PM, Wayne Burdick n...@elecraft.com wrote: On Feb 25, 2015, at 9:36 AM, Rob S. via Elecraft elecraft@mailman.qth.net wrote: Wayne, Will other radios that have the revised synthesizer board upgraded in the field need to perform the receive gain calibration in order to correct the AGC threshold issue as well? Is this something that will change upon installing the new board? No. This only affected Rob's test K3 because we apparently missed this step when we sent it to him. Wayne N6kR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] [Elecraft_K3] Re: Synth card order status
No, a week ago this past Saturday - as in February 14. My assumption was that an order early Saturday afternoon would be in queue before the slackers on the left coast were awake G. Oh well - that just gives me an opportunity to add the audio protection and AUX output current mods to the order. I've been meaning to get to them for some time. Can't say that having the radio open for the Synth updates isn't a good chance to do them. 73, ... Joe, W4TV On 2015-02-25 8:34 PM, Phil Wheeler wrote: If you mean *last* Saturday, some of us ordered 8 days earlier. He who hesitates and all of that. 73, Phil W7OX On 2/25/15 5:10 PM, Merv Schweigert wrote: Same here, ordered Saturday and not a peep so far. Merv K9FD/KH6 As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to li...@subich.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
Same why question applies to your Porsche? A Chevy will get you to the supermarket and back too. Bob K2TK On 2/25/2015 8:49 PM, George Fritkin via Elecraft wrote: My only question is why? My Porsche is more capable than my driving skills So is my are my K3s more capable than my ham skills George, W6GF George, W6GF Sent from my iPad On Feb 25, 2015, at 5:32 PM, Bayard Coolidge, N1HO via Elecraft elecraft@mailman.qth.net wrote: We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com I'm glad to read this, this evening (ET), so that I could send an e-mail to thesales team, asking them to augment my previous order to include a couple ofKBPF3's and a KXV3A. I'm sure that the entire team is under a huge workload this month as a resultof the KSYN3AUPG announcement, and I just hope everything goes smoothly for them. 73, Bayard R. Brandy Coolidge, N1HO __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Sherwood Engineering
This raises an interesting point. In other venues (casual discussion, fests, on air discussions, etc), I’ve heard several times about the reputation of “bad receive audio” on the K3… and suspect since most of the kibitzers don’t actually own a K3, that it comes from early published sources — or those repeating what they got from the rumor mill started from these early sources. I’ve spent a whole lot of hours in front of my own K3 (fully updated serial 2091) and have yet to be “worn out” or become hearing impaired by the K3’s receive audio. It’s actually quite good. Perhaps it’s time to encourage an update in some of these early reports and evaluations, since material (no matter how outdated) published to the internet and which pops up in Google search seems to live on forever as gospel … Grant NQ5T On Feb 25, 2015, at 6:55 PM, Eric Swartz - WA6HHQ, Elecraft e...@elecraft.com wrote: Also, please note that any comments by Rob regarding RX Audio and the K3 in those presentations refers to K3s sold many years ago. We've made substantial changes to the audio to address his concerns. Eric elecraft.com http://elecraft.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
Hey George, these days in So Calif almost any car can push our driving skills -- well maybe those Google cars won't, but I'm not yet convinced! Regarding your K3's and your ham skills: Can they turn themselves on, tune themselves and send code (or talk) by themselves, while creating witty repartee in the process? I'd say a K3 can augment our ham skills, not exceed them -- until one can walk in and pass the Extra Class exam unaided ;-) 73, Phil W7OX On 2/25/15 5:49 PM, George Fritkin via Elecraft wrote: My only question is why? My Porsche is more capable than my driving skills So is my are my K3s more capable than my ham skills George, W6GF George, W6GF Sent from my iPad On Feb 25, 2015, at 5:32 PM, Bayard Coolidge, N1HO via Elecraft elecraft@mailman.qth.net wrote: We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com I'm glad to read this, this evening (ET), so that I could send an e-mail to thesales team, asking them to augment my previous order to include a couple ofKBPF3's and a KXV3A. I'm sure that the entire team is under a huge workload this month as a resultof the KSYN3AUPG announcement, and I just hope everything goes smoothly for them. 73, Bayard R. Brandy Coolidge, N1HO __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to georgefrit...@yahoo.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to w...@socal.rr.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] [K2] Installing old KPA100 in a 2nd K2?
Thanks, Don. Sounds pretty straightforward. I'll make a point of adding that to my K2 to-do list! 73,Steve VE3SMA From: Don Wilhelm w3...@embarqmail.com To: Steve Kavanagh skavanag...@yahoo.ca; Elecraft@mailman.qth.net Elecraft@mailman.qth.net Sent: Wednesday, February 25, 2015 7:09 PM Subject: Re: [Elecraft] [K2] Installing old KPA100 in a 2nd K2? Steve, Both those K2s have the latest changes, so there should be no need to add C224 (it is already there). Likewise the Control Board C42. Firmware 2.40P is the next to the latest, and differs from 2.04r in that 2.04r eliminates the selection of the sidetone source and 'glues' it to U8-4. That eliminates many customer service calls because my K2 has lost its sidetone. You should only have to install the AUX RF and AUX 12V headers and remove Control Board P4 pin 4 to install the KPA100 - as well as scrape the paint from the side panels so the shield clips provide a good ground. Any K2 above SN 4660 is the latest version, and the only thing missing from SN 4509 is the K2 Keying Waveshape Mod which is no longer available because the glass PIN diode to be used at D36 on the RF board is no longer available. If you want to know how to add the K2 Keying Waveshape Mod to your K2 SN 4509, please send me an email off-list and I can fill you in with the details. You should check that used KPA100 to see if it has the latest updates. If it has blue core toroids at RFC1 and L16, then it is up to date, but if not, I highly recommend adding KPA100UPKT to bring it up to date. The shield should have clips to ground the shield to the K2 side panels and also have a narrow slot above the SO-239 jack with solder lugs connecting the outer surface of the shield to the SO-239. In addition, it should have a shield over the speaker magnet. The KPA100SHLDKT should be added if any of those conditions are not true. The CAL TPA calibration is stored in the K2 EEPROM, so you will have to set it in the new K2. The PA ON menu must also be set as well as CAL CUR and the 8R menu parameter should be set to HOLD. 73, Don W3FPR On 2/25/2015 10:47 AM, Steve Kavanagh wrote: I have recently acquired a used K2, my 2nd (S/N 5133). I am just wondering what it would take to install the KPA100 from my older (S/N 4509) K2 in the newer one and keep it usable with the old one too. I have been perusing the KPA100 manual (current version) and it appears to me that all I need to know is on pages 23-25 and 55. S/N 5133 is missing the Aux RF plug P6 on the RF board and (I think) the associated C224, so those need to be added. The manual which came with it says CNTL-C42 is already 0.1 uF (to be confirmed) and the MCU firmware is 2.04P. The tasks on page 59 do not apply since the S/N is over 3000. So it looks like all I have to do once RF-P6 and C224 are in place is to break off pin 4 on CNTL-P4, scrape off some paint and plug in the KPA100. Am I missing anything ? No alignment steps which might make it incompatible with the older K2? What about CAL tPA (p. 49 of KPA100 manual)? Is this calibration stored in the K2 or the KPA100? 73,Steve VE3SMA __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Sherwood Engineering Tests
Are you sending him a replacement so he can redo the figures? 73, Guy. On Wed, Feb 25, 2015 at 12:54 PM, Wayne Burdick n...@elecraft.com wrote: On Feb 25, 2015, at 9:36 AM, Rob S. via Elecraft elecraft@mailman.qth.net wrote: Wayne, Will other radios that have the revised synthesizer board upgraded in the field need to perform the receive gain calibration in order to correct the AGC threshold issue as well? Is this something that will change upon installing the new board? No. This only affected Rob's test K3 because we apparently missed this step when we sent it to him. Wayne N6kR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to k2av@gmail.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] K3_KSYN3A_Synthesizer
Anyone else having trouble with milliwatt TX gain Cal using the new synthesizer boardOr is it just me.Also on the RF power out only one bar is lite up.If I set power to 0 dbm (1 milliwatt) it only shows -12.0 dbm ( .06 mw) Thanks Ken K5DNL/WG2XXM __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] [K2] Installing old KPA100 in a 2nd K2?
Steve, Both those K2s have the latest changes, so there should be no need to add C224 (it is already there). Likewise the Control Board C42. Firmware 2.40P is the next to the latest, and differs from 2.04r in that 2.04r eliminates the selection of the sidetone source and 'glues' it to U8-4. That eliminates many customer service calls because my K2 has lost its sidetone. You should only have to install the AUX RF and AUX 12V headers and remove Control Board P4 pin 4 to install the KPA100 - as well as scrape the paint from the side panels so the shield clips provide a good ground. Any K2 above SN 4660 is the latest version, and the only thing missing from SN 4509 is the K2 Keying Waveshape Mod which is no longer available because the glass PIN diode to be used at D36 on the RF board is no longer available. If you want to know how to add the K2 Keying Waveshape Mod to your K2 SN 4509, please send me an email off-list and I can fill you in with the details. You should check that used KPA100 to see if it has the latest updates. If it has blue core toroids at RFC1 and L16, then it is up to date, but if not, I highly recommend adding KPA100UPKT to bring it up to date. The shield should have clips to ground the shield to the K2 side panels and also have a narrow slot above the SO-239 jack with solder lugs connecting the outer surface of the shield to the SO-239. In addition, it should have a shield over the speaker magnet. The KPA100SHLDKT should be added if any of those conditions are not true. The CAL TPA calibration is stored in the K2 EEPROM, so you will have to set it in the new K2. The PA ON menu must also be set as well as CAL CUR and the 8R menu parameter should be set to HOLD. 73, Don W3FPR On 2/25/2015 10:47 AM, Steve Kavanagh wrote: I have recently acquired a used K2, my 2nd (S/N 5133). I am just wondering what it would take to install the KPA100 from my older (S/N 4509) K2 in the newer one and keep it usable with the old one too. I have been perusing the KPA100 manual (current version) and it appears to me that all I need to know is on pages 23-25 and 55. S/N 5133 is missing the Aux RF plug P6 on the RF board and (I think) the associated C224, so those need to be added. The manual which came with it says CNTL-C42 is already 0.1 uF (to be confirmed) and the MCU firmware is 2.04P. The tasks on page 59 do not apply since the S/N is over 3000. So it looks like all I have to do once RF-P6 and C224 are in place is to break off pin 4 on CNTL-P4, scrape off some paint and plug in the KPA100. Am I missing anything ? No alignment steps which might make it incompatible with the older K2? What about CAL tPA (p. 49 of KPA100 manual)? Is this calibration stored in the K2 or the KPA100? 73,Steve VE3SMA __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com On 2/25/2015 3:15 PM, Joe Subich, W4TV wrote: As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to li...@subich.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to elist_c...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] FW: Sherwood Engineering
If you want to better understand the receiver performance data that Rob publishes, he has given some very nice presentations that are conveniently captured here: http://www.dj0ip.de/transceivers/sherwood-presentations/ 73, Matt VK2RQ On 26 Feb 2015, at 3:31 am, k3...@comcast.net wrote: ... Bob Sherwood measures and publishes data that can help a perspective buyer make some guess what receiver would work best in a particular shack. The rankings are his opinion. Admittedly, buying a radio in his top rankings shouldn't disappoint, but all of the data should be looked at. And price is certainly a parameter that needs to be considered along with Bob's data. I still recommend that those not familiar with why receivers work and how they function in a real environment search out some of the work printed in the 60's and 70's on receivers design. They contain minimal math and are a good discussion of the real receiver issues. That should put Bob's work in perspective and help make sense of the data. And, IMHO, using a K3 or KX3 is the way to go. And for me, my requirement set drove me to the KX3, and I haven't been disappointed. 73, Barry __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] Synth card order status
I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 receive on .474.2 kHz
Is this some form of WSPR or QRSS? Neither existed when the Holy Frequency was the world's party line, and copying traffic with cans and a mill with negative SNR's is definitely hard. :-) It is true however that with today's signal processing capabilities, conductor in the air will work pretty good as a receiving antenna at MF. I ran a single wire from the base of my flag pole on the corner of the deck into the shack and I can find a number of NDB's at the 200-400 km range. KPH booms in on Saturdays on 426 KHz. I'm anxious to try the new synthesizer at MF, there is some 80 meter leakage using my Palomar up-converter that should disappear and now that LORAN-C is QRT, things are fairly quiet. 73, Fred K6DGW - Northern California Contest Club - CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015 - www.cqp.org On 2/25/2015 3:19 AM, Ken wrote: TimestampCallMHz SNR Drift Grid Pwr Reporter RGrid km 2015-02-25 09:56 WG2XKA 0.475723 -17 0 FN33lq 1 WA8JXM EM88cr 1054 2015-02-25 09:54 WG2XJM 0.475775 -12 0 EN91wr 5 WA8JXM EM88cr 456 2015-02-25 09:54 WD2XSH/15 0.475726 -25 0 EM34rt 2 WA8JXM EM88cr 892 2015-02-25 08:30 WH2XGP 0.475688 -28 0 DN07dg 10 WA8JXM EM88cr 3040 2015-02-25 04:46 WG2XIQ 0.475609 -14 0 EM12mp 5 WA8JXM EM88cr 1366 2015-02-25 04:00 WG2XXM 0.475711 -7 0 EM15lj 2 WA8JXM EM88cr 1231 2015-02-25 04:00 WH2XND 0.475630 -24 0 DM33xt 1 WA8JXM EM88cr 2580 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 receive on .474.2 kHz
Yes, my apologies for not clarifying, it is WSPR. The reports are taken from http://wsprnet.org/drupal/wsprnet/spots anyone can get a quick look at current activity at http://wsprnet.org/drupal/wsprnet/map Just specify MF for the band if you want to see 474 kHz activity. Ken WA8JXM On Feb 25, 2015, at 6:21 PM, Fred Jensen k6...@foothill.net wrote: Is this some form of WSPR or QRSS? Neither existed when the Holy Frequency was the world's party line, and copying traffic with cans and a mill with negative SNR's is definitely hard. :-) It is true however that with today's signal processing capabilities, conductor in the air will work pretty good as a receiving antenna at MF. I ran a single wire from the base of my flag pole on the corner of the deck into the shack and I can find a number of NDB's at the 200-400 km range. KPH booms in on Saturdays on 426 KHz. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] FW: Sherwood Engineering
Also, please note that any comments by Rob regarding RX Audio and the K3 in those presentations refers to K3s sold many years ago. We've made substantial changes to the audio to address his concerns. Eric elecraft.com On 2/25/2015 3:41 PM, Matt VK2RQ wrote: If you want to better understand the receiver performance data that Rob publishes, he has given some very nice presentations that are conveniently captured here: http://www.dj0ip.de/transceivers/sherwood-presentations/ 73, Matt VK2RQ On 26 Feb 2015, at 3:31 am, k3...@comcast.net wrote: ... Bob Sherwood measures and publishes data that can help a perspective buyer make some guess what receiver would work best in a particular shack. The rankings are his opinion. Admittedly, buying a radio in his top rankings shouldn't disappoint, but all of the data should be looked at. And price is certainly a parameter that needs to be considered along with Bob's data. I still recommend that those not familiar with why receivers work and how they function in a real environment search out some of the work printed in the 60's and 70's on receivers design. They contain minimal math and are a good discussion of the real receiver issues. That should put Bob's work in perspective and help make sense of the data. And, IMHO, using a K3 or KX3 is the way to go. And for me, my requirement set drove me to the KX3, and I haven't been disappointed. 73, Barry __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to elist_c...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] [Elecraft_K3] Re: Synth card order status
No one should be surprised, Eric :-) Phil W7OX On 2/25/15 4:52 PM, 'Eric Swartz - WA6HHQ, Elecraft' wa6hhq_li...@elecraft.com [Elecraft_K3] wrote: We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com On 2/25/2015 3:15 PM, Joe Subich, W4TV wrote: As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] [Elecraft_K3] Re: Synth card order status
Same here, ordered Saturday and not a peep so far. Merv K9FD/KH6 As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to li...@subich.com __._,_.___ Posted by: Joe Subich, W4TV li...@subich.com Reply via web post https://groups.yahoo.com/neo/groups/Elecraft_K3/conversations/messages/22773;_ylc=X3oDMTJyNThxNTNkBF9TAzk3MzU5NzE0BGdycElkAzIwMTQ5NDI4BGdycHNwSWQDMTcwNTA2MzEwOARtc2dJZAMyMjc3MwRzZWMDZnRyBHNsawNycGx5BHN0aW1lAzE0MjQ5MDYxMTI-?act=replymessageNum=22773 • Reply to sender mailto:li...@subich.com?subject=Re%3A%20%5BElecraft%5D%20Synth%20card%20order%20status • Reply to group mailto:elecraft...@yahoogroups.com?subject=Re%3A%20%5BElecraft%5D%20Synth%20card%20order%20status • Start a New Topic https://groups.yahoo.com/neo/groups/Elecraft_K3/conversations/newtopic;_ylc=X3oDMTJmZDZvYzdjBF9TAzk3MzU5NzE0BGdycElkAzIwMTQ5NDI4BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDZnRyBHNsawNudHBjBHN0aW1lAzE0MjQ5MDYxMTI- • Messages in this topic https://groups.yahoo.com/neo/groups/Elecraft_K3/conversations/topics/22771;_ylc=X3oDMTM3NmliOHRyBF9TAzk3MzU5NzE0BGdycElkAzIwMTQ5NDI4BGdycHNwSWQDMTcwNTA2MzEwOARtc2dJZAMyMjc3MwRzZWMDZnRyBHNsawN2dHBjBHN0aW1lAzE0MjQ5MDYxMTIEdHBjSWQDMjI3NzE- (2) Visit Your Group https://groups.yahoo.com/neo/groups/Elecraft_K3/info;_ylc=X3oDMTJmMDNxMDd2BF9TAzk3MzU5NzE0BGdycElkAzIwMTQ5NDI4BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDdnRsBHNsawN2Z2hwBHN0aW1lAzE0MjQ5MDYxMTI- * New Members https://groups.yahoo.com/neo/groups/Elecraft_K3/members/all;_ylc=X3oDMTJnNWgwb2I2BF9TAzk3MzU5NzE0BGdycElkAzIwMTQ5NDI4BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDdnRsBHNsawN2bWJycwRzdGltZQMxNDI0OTA2MTEy 7 Yahoo! Groups https://groups.yahoo.com/neo;_ylc=X3oDMTJlb28wdnQ5BF9TAzk3MzU5NzE0BGdycElkAzIwMTQ5NDI4BGdycHNwSWQDMTcwNTA2MzEwOARzZWMDZnRyBHNsawNnZnAEc3RpbWUDMTQyNDkwNjExMg-- • Privacy https://info.yahoo.com/privacy/us/yahoo/groups/details.html • Unsubscribe mailto:elecraft_k3-unsubscr...@yahoogroups.com?subject=Unsubscribe • Terms of Use https://info.yahoo.com/legal/us/yahoo/utos/terms/ . __,_._,___ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com I'm glad to read this, this evening (ET), so that I could send an e-mail to thesales team, asking them to augment my previous order to include a couple ofKBPF3's and a KXV3A. I'm sure that the entire team is under a huge workload this month as a resultof the KSYN3AUPG announcement, and I just hope everything goes smoothly for them. 73, Bayard R. Brandy Coolidge, N1HO __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3_KSYN3A_Synthesizer
Ken, Go to the K3 beta firmware and download 5.13. Yes, it is beta right now, but it solves several problems and if no problems with it in the next few days, it will be promoted to production status. 73, Don W3FPR On 2/25/2015 6:00 PM, Ken Roberson via Elecraft wrote: Anyone else having trouble with milliwatt TX gain Cal using the new synthesizer boardOr is it just me.Also on the RF power out only one bar is lite up.If I set power to 0 dbm (1 milliwatt) it only shows -12.0 dbm ( .06 mw) Thanks __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Selling Synths
On 2/25/15, 10:46 AM, jim wrote: Outrageous profits for products/services do not last a long time in the marketplace. Competition comes in. Apple comes to mind. Really? Apple still seems to be doing quite well :-) Phil W7OX __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to li...@subich.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] Synth card order status
Very good, a potential business turnover about USD1.5 million. 73 Johnny VR2XMC 寄件人︰ Eric Swartz - WA6HHQ, Elecraft e...@elecraft.com 收件人︰ Joe Subich, W4TV li...@subich.com; Rick WA6NHC happymooseph...@gmail.com; elecraft...@yahoogroups.com elecraft...@yahoogroups.com; elecraft list elecraft@mailman.qth.net 傳送日期︰ 2015年02月26日 (週四) 8:52 AM 主題︰ Re: [Elecraft] Synth card order status We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com On 2/25/2015 3:15 PM, Joe Subich, W4TV wrote: As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to li...@subich.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to elist_c...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to vr2...@yahoo.com.hk __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] New K3 #8858 on the air.
Thanks to the Elecraft crew. I just assembled K3 #3 and after unwrapping all those anti static bags and plugging everything in, the darn thing worked great!! (as usual) I did not get the 100 watt amp or a second receiver, as this radio will be used on the higher VHF bands. I just wanted to thank Eric and Wayne for running such a great outfit. There was a lot of thought I am sure, put into how to test and calibrate each board. The fact that someone can assemble such a complex piece of electronic equipment out of subassemblies and have it all work like a well oiled machine is testimony to a lot of hard work. I appreciate it. I also can’t wait to check out the new and improved synthesizer. One thing that threw me off, however, was the loss of the dual passband filter feature in the latest firmware release. I thought I had a problem! Luckily, I only wanted to use the APF anyway. I got confused when the menu item looked broken! There is so much snow here in Maine now that I can hardly reach my VHF shack, so I think the only band I could make a contact on is 160 M, which is the only band operating at the house. I made my first QSO this evening! 10 watts? 160 M? a K3? No problem! Worked K4EJQ in Kentucky 599! Thanks again Elecraft. Dave K1WHS K2 #915 K2 #1247 K2 #- (It’s a long story) K3 # 1504 K3 # 3504 K3 # 8858 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] [Elecraft_K3] Re: Synth card order status
If you mean *last* Saturday, some of us ordered 8 days earlier. He who hesitates and all of that. 73, Phil W7OX On 2/25/15 5:10 PM, Merv Schweigert wrote: Same here, ordered Saturday and not a peep so far. Merv K9FD/KH6 As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K3 Locks up in Transmit in data mode.
Stewart, There are many sneak paths for PTT between data mode software and the Signalink. The Signalink has its own virtual VOX circuit that produces a PTT line closure. Fldigi and whichever rig control you are using with it can produce PTT via CAT command (through the RS-232 connection) without an actual PTT connection. DM780 can be set to do PTT through HRD, which is essentially the same as above (PTT via RS-232 command). I would suggest that you look for something that duplicates the PTT operation in either the software or the Signalink. Once that is found, I think that will be the answer to your problem. 73, Don W3FPR On 2/25/2015 5:30 PM, Stewart Bryant wrote: Hi Don Thanks for the reply. On 25/02/2015 22:23, Don Wilhelm wrote: Stewart, By saying you are using VOX in Signalink to control PTT are you saying that you are using the PTT output of Signalink to control transmission? With a cable to the PTT jack? Yes, that is how it is configured. You mentioned the RS-232 cable which makes me wonder which of the Signalink Radio Cables you are using. I am going to assume you are using the SLUSBK3 cable which connects to the K3 reap panel audio jacks and the PTT jack. Correct. If so, do you also have VOX set on in the K3. No, I turned this off. This is a common problem if both Signalink PTT and the K3 VOX are active. Unplug the PTT cable from the Signalink and just use the VOX in the K3, or turn off VOX in the K3 and use the PTT from Signalink - your choice, but do not use both. The key factor in avoiding the hang (which happens in both DN780 and FLdigi seems to be not sending audio with the CAT cable connected, but the off-off setting should surely cause the CAT control lines to be ignored, shouldn't it? __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Synth card order status
The only disappointment is that a Saturday afternoon order at Hamcation went into the system after the on-line orders from the weekend and Monday. I should have ordered on-line before coming to the show G. 73, ... Joe, W4TV On 2015-02-25 7:52 PM, Eric Swartz - WA6HHQ, Elecraft wrote: We had a HUGE number of orders for these over the weekend (and continuing into this week.) Eric elecraft.com On 2/25/2015 3:15 PM, Joe Subich, W4TV wrote: As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. That's disappointing. I ordered early Saturday afternoon at Orlando Hamcation and was told there were plenty in stock. Of course, I got e-mail confirmation Monday evening (presumably after Eric got back) and still have not received shipping info. 73, ... Joe, W4TV On 2015-02-25 5:48 PM, Rick WA6NHC wrote: I ordered two new synth cards early Monday (with an SVGA card added, I'm tired of squinting) and quickly got the confirmation email. Having heard/read nothing since, I called and spoke with a VERY nice woman about the status a bit ago. As (somewhat) expected, there is now a back order on the new cards with a 10 (business) day delay. Which translates to mid-March. Perhaps sooner, perhaps not. Not complaining, just FYI and saving Elecraft some phone calls. :o) By then the newest firmware will be in better shape, so it's all good. 73, Rick wa6nhc __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to li...@subich.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to elist_c...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] K3 and Tascam US-122MkII
Before I start making cables to connect a Tascam 122 to a K3, I would appreciate knowing how other users have connected this pair. Deane VK1DW __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Old KSYN3 cards
It doesn't take faith to keep my radio working. I put them in because I have so much local noise that I didn't want mixing products to cover up DX. Whether I can tell or not is a good question. I just know that the numbers show that it could, and I want any help I can get to work DX from my compromised urban location. On Wed, 25 Feb 2015, Gary Gregory wrote: Rick Glad it worked out for you. I lost faith awhile ago. Gary -- Hisashi T Fujinaka - ht...@twofifty.com BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] XV432 Trips Off on Tranmit
My XV432 transporter has suddenly developed a serious problem. Receive mode works fine, but when I try to transmit, it instantly shuts down, apparently because of a bad SWR mismatch or similar problem. I’ve checked my cables, and replaced them. I’ve checked all the settings on the Main Menu. I’ve tried with two different antennas and a dummy load, and with differing coax cables. I’ve checked all the on-board coax plugs on the KIO3 board, checked to make sure the KIO3 board is properly seated, etc. Transmit power is set at 0.1 watt. Nothing resolves the problem. Any suggestions as to what I have failed to look for? Any suggestions as to how I can differentiate between transverter problem and a KIO3 problem? Thanks in advance for any assistance. Lew Lew Phelps N6LEW Pasadena, CA DM04wd Elecraft K3-10 / KXV144 / XV432 Yaesu FT-7800 l...@n6lew.us www.n6lew.us Sent from my Mac Pro 256-Array Supercomputer (9.42 teraflops) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Selling Synths
For sure! I wish that I had not sold most of my Apple stock over the last couple of years! Jerry AI6L -Original Message- From: Phil Wheeler [mailto:w...@socal.rr.com] Sent: Wednesday, February 25, 2015 2:39 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] Selling Synths On 2/25/15, 10:46 AM, jim wrote: Outrageous profits for products/services do not last a long time in the marketplace. Competition comes in. Apple comes to mind. Really? Apple still seems to be doing quite well :-) Phil W7OX __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] K3 Remote board inventory
I don't have any idea whether this is possible or desired by many but wouldn't it be neat to be able to interrogate each of the boards in the K3 and it would respond with each board's model or version number? That way, when a new piece became available, you could quickly tell if your particular transceiver/s needed the update. Perhaps the interrogation could be done via the K3 Utility software. I know something like this would be a big help to me. Just dreaming.. 73, Jim - K5LAD K3 - #1068 --- Growing old is like being increasingly penalized for a crime you haven't committed. -- Anthony Powell - Visit my web page at: www.hayseed.net/~jpk5lad/ = --- This email has been checked for viruses by Avast antivirus software. http://www.avast.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] XV432 Trips Off on Tranmit
Make that read “transverter” in first line. Thanks a lot to Apple auto spelling correction…. Lew Phelps N6LEW Pasadena, CA DM04wd Elecraft K3-10 / KXV144 / XV432 Yaesu FT-7800 l...@n6lew.us www.n6lew.us Sent from my Mac Pro 256-Array Supercomputer (9.42 teraflops) On Feb 25, 2015, at 9:48 PM, Lewis Phelps l...@n6lew.us wrote: My XV432 transporter has suddenly developed a serious problem. Receive mode works fine, but when I try to transmit, it instantly shuts down, apparently because of a bad SWR mismatch or similar problem. I’ve checked my cables, and replaced them. I’ve checked all the settings on the Main Menu. I’ve tried with two different antennas and a dummy load, and with differing coax cables. I’ve checked all the on-board coax plugs on the KIO3 board, checked to make sure the KIO3 board is properly seated, etc. Transmit power is set at 0.1 watt. Nothing resolves the problem. Any suggestions as to what I have failed to look for? Any suggestions as to how I can differentiate between transverter problem and a KIO3 problem? Thanks in advance for any assistance. Lew Lew Phelps N6LEW Pasadena, CA DM04wd Elecraft K3-10 / KXV144 / XV432 Yaesu FT-7800 l...@n6lew.us mailto:l...@n6lew.us www.n6lew.us http://www.n6lew.us/ Sent from my Mac Pro 256-Array Supercomputer (9.42 teraflops) __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] Old KSYN3 cards
Rick Glad it worked out for you. I lost faith awhile ago. Gary Vk1ZZ K3, KX3, KPA500-FT, KAT500-FT,P3. On 25/02/2015 1:00 PM, Rick Bates happymooseph...@gmail.com wrote: Or the newer card costs them about the same as the older model; (and) or they'll eat the price difference. Nice thing about Elecraft is that you can do the updates/upgrades yourself, even piecemeal as a budget allows. Mine is almost never turned off; dust is another matter. ;-). I'll give it an internal dusting when I do the upgrade. 73, Rick wa6nhc Tiny iPhone 5 keypad, typos are inevitable On Feb 24, 2015, at 6:47 PM, Gary Gregory vk1zzg...@gmail.com wrote: Hif a new board is $200 as a standalone upgrade item, one might assume it would increase the cost of a new k3 by at least a smaller margin to help defray design costs. If not then one could ponder if these other factors are simply applied to boards sold separately. Just curious. I wont be upgrading just yetfirst job is to get my K3 to work as designed. Being an older serial number it has issues and a return trip to the factory is over $850.00 AUD sadly, so for now it is accumulating dust and age. Gary Vk1ZZ K3, KX3, KPA500-FT, KAT500-FT,P3. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] FW: Sherwood Engineering Tests
I can't help thinking that we are getting to a point where this number chasing is irrelevant. Until high noise levels caused by EMI and the poor transmitted signals during DX hunting and contests are eliminated, further improvements in receive performance figures are unlikely to be of much practical value. My 2p's worth... 73 Stewart G3RXQ On Wed, 25 Feb 2015 01:56:22 + (UTC), k3...@comcast.net wrote: I'm old enough to remember that the most important characteristic of a receiver was sensitivity. Nothing else seemed to matter. Some receivers of the time had 2 RF amplifiers to make sure that they won the sensitivity battle. And, what would happened when a strong signal, not necessarily S9, would appear, bad things happened to your radio. At this point I won't define the date. This lunacy was being looked at by a number engineers, to include Dr. Ulrich Rhode, W2 something. I forget his call. He said in a series of papers in professional journals and Ham Radio Magazine that sensitivity was not the most important parameter at the time. It would turn out to be LO noise sidebands and dynamic range. That still holds today, and now, IMHO, ultimate rejection should be added. All of this is shown in Sherwood's data. What this all means is that all of the receiver parameters must be looked at to decide what makes a great radio. I suggest a review of some of Rhode's papers. His writings make extremely interesting reading as it addresses this discussion directly. 73, Barry K3NDM - Original Message - From: Wayne Burdick n...@elecraft.com To: Chester Alderman alderm...@windstream.net Cc: Elecraft Reflector Elecraft@mailman.qth.net Sent: Tuesday, February 24, 2015 4:57:23 PM Subject: Re: [Elecraft] FW: Sherwood Engineering Tests Just to complete the point about this: The K3 tested probably didn't have its S-meter calibration (RX gain cal) completed before we sent it to Rob, an oversight on our part. This procedure is fully automated by the K3 Utility program, and definitely would have corrected the sensitivity threshold issue Rob observed. 73, Wayne N6KR On Feb 24, 2015, at 1:54 PM, Wayne Burdick n...@elecraft.com wrote: Some on this list are still mistaking this column of Sherwood's chart as *receiver sensitivity*. I believe it is a measurement of AGC threshold. The K3's receiver sensitivity (MDS) is excellent by any measure; see the noise floor column. (Side-note: It's interesting that the preamp-off sensitivity of the tested K3 was -136 dBm, while that of the Flex 6700 was -118 dBm -- an 18-dB difference. One would have to leave the preamp ON much more often with the '6700. As Sherwood noted, this maximizes the '6700's dynamic range, but you'd also be hitting the A/D that much harder.) 73, Wayne N6KR On Feb 24, 2015, at 12:24 PM, Chester Alderman alderm...@windstream.net wrote: _ From: Chester Alderman [mailto:alderm...@windstream.net] Sent: Tuesday, February 24, 2015 1:59 PM To: 'Yngvi (TF3Y)' Cc: 'Elecraft Reflector' Subject: RE: [Elecraft] Sherwood Engineering Tests Hi Yvgvi, I wonder, given atmospheric noise levels, if that is really going to be noticed by the operator. I seriously doubt It would be noticed in a contest? 73, Tom - W4BQF -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Yngvi (TF3Y) Sent: Tuesday, February 24, 2015 1:26 PM To: elecraft@mailman.qth.net mailto:elecraft@mailman.qth.net Subject: Re: [Elecraft] Sherwood Engineering Tests These are interesting stats. One thing I noticed was the apparent loss in sensitivity as measured by Sherwood. This is probably not a big issue for most these days with the ever increasing noise levels but for the few in silent locations, incl. some DXpeditions this might be an issue. Any comments on this? 73, Yngvi TF3Y http://www.tf3y.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to n...@elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this
Re: [Elecraft] K3 receive on .474.2 kHz
For just receiving on 474.2kHz, you do not need a fancy antenna. Here are my results from overnight monitoring just using my standard 80/160m inverted V with the center at 50’.This seems to be typical reception, out to 3000km. TimestampCallMHz SNR Drift Grid Pwr Reporter RGrid km 2015-02-25 09:56 WG2XKA 0.475723 -17 0 FN33lq 1 WA8JXM EM88cr 1054 2015-02-25 09:54 WG2XJM 0.475775 -12 0 EN91wr 5 WA8JXM EM88cr 456 2015-02-25 09:54 WD2XSH/15 0.475726 -25 0 EM34rt 2 WA8JXM EM88cr 892 2015-02-25 08:30 WH2XGP 0.475688 -28 0 DN07dg 10 WA8JXM EM88cr 3040 2015-02-25 04:46 WG2XIQ 0.475609 -14 0 EM12mp 5 WA8JXM EM88cr 1366 2015-02-25 04:00 WG2XXM 0.475711 -7 0 EM15lj 2 WA8JXM EM88cr 1231 2015-02-25 04:00 WH2XND 0.475630 -24 0 DM33xt 1 WA8JXM EM88cr 2580 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
