[Elecraft] VFO problem

My K3 has developed a problem with the VFO. It is, of course, just barely out of warranty. :-) When I turn the VFO knob very slowly, the frequency display follows normally, but when I turn it a little faster, the frequency display freezes and intermittently unfreezes but immediately freezes agai

[Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

If both RX and TX are using the same synthesizer, TX phase noise should be lowered. However, I am no expert on Icom IC7850 but more information will be given in the link below: The Icom IC-7850 at APDXC 2014 |   | |   | |   |   |   |   |   | | The Icom IC-7850 at APDXC 2014The IC-7850 at APDXC

[Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

Thanks, Don, you are great in explaining the figures in layman terms.  While I cannot control the other's transmitters' IMD / phase noise, I now at least know what I will expect to be better off by using the KSYN3A especially under very difficult RX conditions (assuming everything under the same

Re: [Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

> That's a far ways from -89 dB that you > quote. The ARRL review in the April 2008 issue of the K3/10 showed reciprocal mixing as -95 dBc at 2 kHz spacing. The ARRL review in the Jan 2009 issue of the K3/100 showed reciprocal mixing as -86 dBc at 2 kHz spacing. This is the same lab. Dunno

Re: [Elecraft] KSYN3A

I operate 2m-eme with JT65 and will be very interested to see if I can see improvement with the new synth. I'm guessing not unless you see some direct (tropo) signals. JT-65, like all weak-signal modes, greatly benefits from low phase-noise in a receiver (typically from the LO). On HF JT65

Re: [Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

On 2015-02-13 10:08 PM, Chortek Bob via Elecraft wrote: The new synthesizer has essential the SAME IMDDR 106 or 103 depending on the filter bandwidth. Incorrect! You are comparing measurements by different labs with different test equipment and procedures. Sherwood measured 104 dB w/200 Hz

Re: [Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

Argh! That will make the K3 second to the Flex 6700 in Sherwood's table although the 100 KHz blocking will be better than the "A/D Limited" for the 6700. 73, ... Joe, W4TV On 2015-02-13 6:34 PM, Wayne Burdick wrote: Hi all, I've updated the KSYN3A FAQ with the following information reg

Re: [Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

Thanks for the figures. I am trying to understand the amount of improvement we can expect.  According to the ARRL Review in January 2009 the IMDDR was 106/103 dbm at 2 KHZ but the Reciprocal Mixing was -86dbc at 2KHZ offset with 500 HZ bandwidth.   The new synthesizer has essential the SAME IMDDR

Re: [Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

On Fri,2/13/2015 4:19 PM, Johnny Siu wrote: Again, IC7850 is known foir extremely low phase noise. Is it known for it's low phase noise on TX? 73, Jim K9YC __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraf

Re: [Elecraft] KSYN3A

It's just one of those things that really annoy me. I ordered the KSYN3A. Shipping via UPS was calculated as $20.00+ for a package weighting .8 pounds. When I run the same locations and service through UPS.com I get $8.38. That's a of markup on the shipping. Just sayin Doug -- K0DXV __

[Elecraft] K3KSYN3A

Will Elecraft be offering a trade in program for the old Synth boards? :) -- Thanks and 73's, For equipment, and software setups and reviews see: www.nk7z.net for MixW support see; http://groups.yahoo.com/neo/groups/mixw/info for Dopplergram information see: http://groups.yahoo.com/neo/groups/dop

Re: [Elecraft] KSYN3A

Good thing they don't get into Reef Aquariums ;) From: Don Wilhelm To: elecraft@mailman.qth.net Sent: Friday, February 13, 2015 7:23 PM Subject: Re: [Elecraft] KSYN3A Consider those who willingly spend $5k or so for a transceiver configured to the max, but balk at spending $5 for a

Re: [Elecraft] KSYN3A

I think you are confusing 'thrifty' and 'stingy'. Don Wilhelm wrote: Consider those who willingly spend $5k or so for a transceiver configured to the max, but balk at spending $5 for a cable adapter or something special of that nature. Perhaps "thrifty" is a more politically correct term.

Re: [Elecraft] KSYN3A

Fred, See my response to Johnny Siu. That is the best I can do to explain it in "layman's terms". 73, Don W3FPR On 2/13/2015 8:03 PM, k6...@foothill.net wrote: What would I gain from the new Synth? I have no nearby phase noise problems since Jim [WX6V] got a K3, and I think my TX signal is

Re: [Elecraft] KSYN3A

I know one of those, obviously far better off than we are, who tips on the total less tax in a restaurant. I decided to buy him lunch. It is what it is, we're all different. On-topic question: I'm totally happy with my fairly vanilla K3 [S/N 642 upgraded a few years ago at Elecraft]. No s

Re: [Elecraft] KSYN3A

Wow thanks Wayne and Elecraft for another improvement to a legendary rig.. or as I told my wife.. "I have just had to factor an extra $400 into the monthly budget". ;-). ~C. N6WM -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick Se

Re: [Elecraft] KSYN3A

* On 2015 13 Feb 15:20 -0600, Bill NY9H wrote: > now we need a neat application for the old synth card > seems that there will be a few thousand available Wayne alluded earlier that they were holding some subreceiver kits back for those interested in fitting one into a K3 with the older sy

Re: [Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

Johnny, Hopefully I can simplify it a bit given your example. That S9+60dB signal will have a weaker response in your receiver *if* your receiver was the limiting factor. If the transmitter phase noise (splatter and other 'bad stuff' was the original problem, then you may or may not have any

Re: [Elecraft] KSYN3A

Yes, that makes sense, Don -- and not so pejorative as "cheap" :-) 73, Phil W7OX On 2/13/15 4:23 PM, Don Wilhelm wrote: Consider those who willingly spend $5k or so for a transceiver configured to the max, but balk at spending $5 for a cable adapter or something special of that nature. Perh

Re: [Elecraft] KSYN3A

Consider those who willingly spend $5k or so for a transceiver configured to the max, but balk at spending $5 for a cable adapter or something special of that nature. Perhaps "thrifty" is a more politically correct term. 73, Don W3FPR On 2/13/2015 6:20 PM, Phil Wheeler wrote: I find it had

[Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

I must admit that understanding those figures are beyond my knowledge.  In practical terms, if I can now hear a below S1 cw weak signal 10KHz away from a S9+60db station before upgrade, what will be the improvement after the installation of KSYN3A assuming operating under the same condition? Suc

[Elecraft] Update to KSYN3A FAQ (some measured dynamic range numbers)

Hi all, I've updated the KSYN3A FAQ with the following information regarding testing of a K3 with the new synthesizer performed by Rob Sherwood, NC0B. * * * Q: What is the approximate 2-kHz dynamic range (IMDDR3) of the K3 when using the new synthesizer? A: Our tests show in excess of 105 dB

Re: [Elecraft] KSYN3A

I find it had to regard Elecraft-owning hams as "cheap", Rick :-) Phil W7OX On 2/13/15 2:49 PM, Rick WA6NHC wrote: Not a totally useless idea, it gives Elecraft a supply for those simple wanting to add the KXR3 without doing the upgrade. Since they won't be making more and hams are generica

Re: [Elecraft] KSYN3A

On Feb 13, 2015, at 3:15 PM, Bill Frantz wrote: > One thing I couldn't see from the Elecraft web site: I have a single receiver > K3. If I install the KSYN3A, and later add a second receiver, which synth do > I get in that second receiver. You'll get the new synth with the KRX3 in this case.

Re: [Elecraft] KSYN3A

One thing I couldn't see from the Elecraft web site: I have a single receiver K3. If I install the KSYN3A, and later add a second receiver, which synth do I get in that second receiver. One advantage of the K3 is its Barbie Doll (tm) feature. I can add pieces slowly to the radio and stay under

Re: [Elecraft] KSYN3A

Doug, JT-65, like all weak-signal modes, greatly benefits from low phase-noise in a receiver (typically from the LO). I operate 2m-eme with JT65 and will be very interested to see if I can see improvement with the new synth. Nor will I part with my sub-rcvr as its integral to my dual-polarity

Re: [Elecraft] KSYN3A

Not a totally useless idea, it gives Elecraft a supply for those simple wanting to add the KXR3 without doing the upgrade. Since they won't be making more and hams are generically cheap, it will extend the K3 life for those without a toy budget. Best to ask Wayne if they can manage that first

Re: [Elecraft] KSYN3A

I am copying a reply I made on the 600m e-mail reflector as I think it may answer some questions how the K3 is used down below 500-KHz: To: Jim Miller Subject: Re: [600MRG] [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A Jim, The K3 operat

Re: [Elecraft] KSYN3A FAQ

A couple comments to add to Wayne's: 1. How many of you have measured the noise floor below 500-KHz? I have used my K3/10 and a SDR-IQ for receiving the 600m band for three years. The SDR-IQ display is in dBm and very accurate. The receiver MDS is -130 to -132 dBm at 500-KHz. The lowest n

Re: [Elecraft] KSYN3A

Once I got the new synt's here I can donate my old ones back to elecraft just in case they are running out of old ones... vy 73 de VE3GNO Daniel From: Bill NY9H To: elecraft@mailman.qth.net Sent: Friday, February 13, 2015 4:19 PM Subject: Re: [Elecraft] KSYN3A now we need a neat app

[Elecraft] More KSYN3A

I talked to Elecraft and you must remove the second receiver not just unplug it and remove its “old” synth board. Too bad, but for the times I use it a $200 upgrade is just too much, so I order one new synth board remove the two old ones and the second receive, the “cost” of upgrading I guess.

Re: [Elecraft] KSYN3A

now we need a neat application for the old synth card seems that there will be a few thousand available What cool thing could we build in which to nest the olds synth card __ Elecraft mailing list Home: http://mailman.qth.n

Re: [Elecraft] KSYN3A

On 2/13/15 12:54 PM, Doug Turnbull wrote: Like a few other fortunate souls I have two K3s and if the new KSYN3A is enough of an advance then I will first upgrade one radio then the other. Good. You can do an A-B test after upgrading one of them and give us a full report :-) Phil W7OX _

Re: [Elecraft] KSYN3A

As I see it for those who want the extra capabilities will pay it.The sell as sub receiver to pay for a 200 option seems a bit haste. The K3 is just as capable as it was yesterday, this is merely adding to it. If money is that tight I'd rather just keep the Sub receiver as it is more useful

Re: [Elecraft] KSYN3A

Dear OMs, In no way would I part with my sub-receiver. I operate 160M and find diversity reception a considerable help.I also like the ability to tune the second receiver through a pile up extending 20KhZ and sometimes offset nearly 100 KHz. The sub-receiver is not needed by most pe

Re: [Elecraft] KSYN3A FAQ

On 2015-02-13 3:15 PM, Wayne Burdick wrote: Another interesting issue regarding the Flex 6xxx series (and radios with a similar direct-digital-sampling RF architecture) is that "A/D Limit" descriptor in the blocking dynamic range column in Sherwood's chart. An ADC limit is a hard one; it does n

[Elecraft] FOR SALE LP- PAN 2

I have for sale LP - PAN -2, XONARU7 7.1 USB Sound Card. $300.00 plus shipping. PAY PAL ONLY. E-mail me off list. krenner1...@msn.com K0ARO Kurt __ Elecraft mailing list Home: http://mailman.qth

Re: [Elecraft] Further K3 development

On 2015-02-13 1:03 PM, Fred Smith wrote: Most all Elecraft gear here as far as radios except for an IC-9100 which there are no replacements for. No Elecraft replacement for ... I plan to look carefully at the FT-991 tomorrow (Orlando Hamcation) as it seems to cover all the bases except for 1.2

Re: [Elecraft] KSYN3A FAQ

Another interesting issue regarding the Flex 6xxx series (and radios with a similar direct-digital-sampling RF architecture) is that "A/D Limit" descriptor in the blocking dynamic range column in Sherwood's chart. An ADC limit is a hard one; it does not gracefully soft-limit in the presence of s

Re: [Elecraft] KSYN3A

Both synthesizers must be of the same type. 73, Wayne N6KR On Feb 13, 2015, at 12:04 PM, Phil Wheeler wrote: > Apparently to save $200 :-) > > In this vein, I wonder what would happen if you updated the main RX but left > the sub RX as is? Question for Wayne, I guess. > > Hypothetical in my

Re: [Elecraft] KSYN3A FAQ

On 2015-02-13 2:37 PM, Jim Brown wrote: And in the real world, this is the limiting factor. In my real world, it's an IC7600 with a legal limit amp ten miles away. Consider yourself lucky. In my real world, it's an IC-746 and legal limit amp 0.65 miles away! Yes. While I've seen statements

Re: [Elecraft] KSYN3A

I think the idea is to remove the sub receiver, sell it, and use the proceeds to offset the cost of another option. You see lots of second receivers on the bay because lots of people have the same idea. Everyone selling reduces the people buying because the are all coming out of the same pool

Re: [Elecraft] KSYN3A

Apparently to save $200 :-) In this vein, I wonder what would happen if you updated the main RX but left the sub RX as is? Question for Wayne, I guess. Hypothetical in my case: I have only one functional ear, so no sub RX. But my KSYN3A should arrive late next week. Phil W7OX On 2/13/15

Re: [Elecraft] Further K3 development

My backup radio is a TS-590S, and I wish Kenwood had taken a similar approach as Elecraft to upgrade it into the new TS-590SG. It's really admirable that Elecraft decided not to take advantage of the advancements in technology to generate additional revenue. These guys are really hams and engine

Re: [Elecraft] [Elecraft_K3] Re: KSYN3A FAQ

On Feb 13, 2015, at 11:58 AM, "'Joe Subich, W4TV' li...@subich.com [Elecraft_K3]" wrote: > > Wayne, > > >> A: With preamp OFF, we measured about -125 dBm at 475 kHz and -90 > >> dBm at 250 kHz. We have not measured MDS below 250 kHz, but the > >> receiver will gradually become less sensitive

Re: [Elecraft] [Elecraft_K3] KSYN3A FAQ

Good idea. One of our engineers will be assigned to this when he comes up for air. Wayne N6KR On Feb 13, 2015, at 10:58 AM, "mstang...@comcast.net [Elecraft_K3]" wrote: > Wayne, > > While we have your attention...do you have updated schematics for the K3, > including this new board? The K3

Re: [Elecraft] KSYN3A FAQ

The KBPF3's lowest-frequency filter has a nominal passband of 0.5-2 MHz. The rolloff is not particularly steep, but this is the reason that the MDS at 250 kHz is -90 dBm, while it's -125 dBm at 450 kHz. Intermod should rarely be a factor because of the K3's very robust front end. Those living p

Re: [Elecraft] KSYN3A FAQ

Wayne, A: With preamp OFF, we measured about -125 dBm at 475 kHz and -90 dBm at 250 kHz. We have not measured MDS below 250 kHz, but the receiver will gradually become less sensitive as you go lower in frequency due to band-pass filter rolloff (in the KBPF3, which is required for operation bel

Re: [Elecraft] KSYN3A

Why remove it? The sub receiver is very nice From: Richard Thorpe To: Elecraft List Sent: Friday, February 13, 2015 2:15 PM Subject: [Elecraft] KSYN3A The most cost effective thing to do is to remove the sub-receive and save $200 bucks and upgrade the main synth only. I can see a

Re: [Elecraft] KSYN3A FAQ

On Fri,2/13/2015 10:27 AM, Wayne Burdick wrote: The limiting factor would then be how clean everyone else's signals are. And in the real world, this is the limiting factor. In my real world, it's an IC7600 with a legal limit amp ten miles away. Your own transmit signal will be cleaner when

[Elecraft] KSYN3A

The most cost effective thing to do is to remove the sub-receive and save $200 bucks and upgrade the main synth only. I can see a lot of second receivers on eBay. R Thorpe K6CG __ Elecraft mailing list Home: http://mailman.qth.net/mailm

Re: [Elecraft] Further K3 development

I've had my K3 about a year now and Unless something drastically changes I highly doubt I'd changeAt first I was surprised at it's size, but now I like that size and really don't want it larger. I also like that it's modular (K3, P3, KPA500, KAT500, Etc.). I think what appeals to me most is some

Re: [Elecraft] KSYN3A FAQ

What is the passband of the filtering engaged in the KBPF3 when operating at 630M? The concern at this band in many locations is BCB intermod, and generally an LPF is used in the RX chain. Is it not of concern based on on-air tests, perhaps KBPF3 is on the table for an upgrade, or an outbound

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

On Fri,2/13/2015 6:56 AM, VE3GNO Daniel via Elecraft wrote: that's gonna be fun, coz now there is a lot of buzz with new 7850 super low noise LO, Um -- when ARRL tested the Icom 7800 and 7600 rigs, they were among the poorest performers with respect to transmitted noise. I suspect that the m

[Elecraft] Battery Operation of KX3

I am using a Power Bank model MP-16000 Lithium Polymer battery to run the KX3. This appears to now be furnished by Maxtron as the MX160A power bank at $128 on Amazon. It is lightweight (1.1 lbs) and is about the size of a paperback book. Last night I ran the KX3 with backlight on for 3.5 hr

[Elecraft] KSYN3A FAQ

In response to a gazillion questions: * * * Q: What is involved in upgrading from the KSYN3 to the KSYN3A? A: The KSYN3A plugs into the same connectors as the KSYN3s for the main and sub synthesizers. There are minor differences in cable routing that are covered in the accompanying installat

Re: [Elecraft] Further K3 development

My opinion which may or may not be worth 2 cents: The KX3 seems to satisfy many who would otherwise be buying a K3, maybe a K2 or K1. To me the KX3 is a fabulous & affordable QRP rig. However nice that tiny wonder is, I prefer the larger K3 with its greater choices and options which I find most

[Elecraft] TEST

Test __ 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 li

Re: [Elecraft] Further K3 development

This was one of the very reasons that I finally moved to Elecraft and sold my last 2 FTDX-5000MP's several yrs ago and have plans on returning. Most all Elecraft gear here as far as radios except for an IC-9100 which there are no replacements for. May they continue their present business model, as

Re: [Elecraft] Further K3 development

Merv, We have done our own tests of the I7SWX mixer, and while we saw some improvement in dynamic range, it came at the expense of worse MDS. The jury is still out. Our present mixer does an excellent job. 73, Wayne N6KR On Feb 13, 2015, at 9:47 AM, Merv Schweigert wrote: > How about a new

[Elecraft] (no subject)

Test - Original Message - From: elecraft-boun...@mailman.qth.net To: krenner1...@msn.com Sent: Friday, February 13, 2015 9:57 AM Subject: Elecraft@mailman.qth.net mailing list r

Re: [Elecraft] Further K3 development

I hope some side by side specs show up, like I mentioned to upgrade for me would be 800 bucks, 2 radios, not going to do that without some solid proof of what I am getting, no complaints at all, just like to see what I should expect. How about a new mixer board? Present one can be impro

Re: [Elecraft] K3 KSYN3A Synthesizer Module Ordered

http://www.elecraft.com/order_form_parts.htm#K3%20Parts On 2/13/15 9:32 AM, Jorge Diez - CX6VM wrote: where´s the link of the KSYN3A? thanks, Jorge 2015-02-13 15:08 GMT-02:00 Phil Wheeler : Same here, though I only need one. I do wonder if I'll notice the difference -- but keeping my K3 at i

Re: [Elecraft] K3 KSYN3A Synthesizer Module Ordered

Yes, Gary, Right! :-) 73, Phil W7OX On 2/13/15 9:28 AM, Gary Smith wrote: Me three, Just ordered two KSYN3A and a 2nd AM filter for diversity while SWLing Broadcast stations and eventually operation on 600M. Now to find an appropriate schematic & writeup on making a worthy amp for 600M that wil

Re: [Elecraft] K3 KSYN3A Synthesizer Module Ordered

where´s the link of the KSYN3A? thanks, Jorge 2015-02-13 15:08 GMT-02:00 Phil Wheeler : > Same here, though I only need one. I do wonder if I'll notice the > difference -- but keeping my K3 at its best is a priority, so . > > Phil W7OX > > > On 2/13/15 8:15 AM, Bruce Osterberg wrote: > >> G

Re: [Elecraft] K3 KSYN3A Synthesizer Module Ordered

Me three, Just ordered two KSYN3A and a 2nd AM filter for diversity while SWLing Broadcast stations and eventually operation on 600M. Now to find an appropriate schematic & writeup on making a worthy amp for 600M that will utilize the 1.0 mW that the k3 will generate on that frequency. It's my

Re: [Elecraft] K3 KSYN3A Synthesizer Module Ordered

Same here, though I only need one. I do wonder if I'll notice the difference -- but keeping my K3 at its best is a priority, so . Phil W7OX On 2/13/15 8:15 AM, Bruce Osterberg wrote: Good Morning: Well Elecraft opened 14 minutes ago and I ordered two of the KSYN3A Modules. I am ready

Re: [Elecraft] K3 KSYN3A Synthesizer Module Ordered

same here 2xKSYN3A ...gonne be shipped on Tue coz Monday is long weekend vy 73 de VE3GNO Daniel From: Bruce Osterberg To: elecraft@mailman.qth.net Sent: Friday, February 13, 2015 11:15 AM Subject: [Elecraft] K3 KSYN3A Synthesizer Module Ordered Good Morning: Well Elecraft opened 14

[Elecraft] Further K3 development

Dear OMs, I will follow this thread for a while. It would be nice to know more about the performance enhancement as Johnny Siu has stated. What I am really chuffed about is that Wayne, Eric and company are enhancing a radio which has been on the market perhaps seven years now. Oh I

[Elecraft] K3 KSYN3A Synthesizer Module Ordered

Good Morning: Well Elecraft opened 14 minutes ago and I ordered two of the KSYN3A Modules. I am ready to give them a try in both the main and sub-receiver of my K3. looks like a fantastic upgrade! Bruce N9BX 73 __ Elecraft mailing

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

so no more phase noise limitation in DR and IMD?...that's gonna be fun, coz now there is a lot of buzz with new 7850 super low noise LO, so 200 bucks update K3 is gonna stay shoulder to shoulder with a 10k limited quantity radio...so here is my bet...won't wait for test results and gonna order 2

[Elecraft] New K3 Synthesizer

Wayne - thanks - news of the new K3 Synthesizer is very exciting! And I will be very interested in the Sherwood testing of the K3 with the new board. Question: how hard is it to install it in the K3? And how hard to install in the sub receiver? You say a K3 with Sub-receiver needs both to h

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

I have the KBPF3 in both my Mani and Sub Receivers so I'm hoping they will go down to 100KHz I also wish I had known about this because it's something I've wanted for a long time (to be able to Receive LF) From: Terry Hart To: elecraft@mailman.qth.net Sent: Friday, February 13, 2015

Re: [Elecraft] #WorldRadioDay

I did. Then I looked at the other posts and quickly deleted mine. -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David Ahrendts Sent: Friday, February 13, 2015 8:50 AM To: Elecraft Reflector Subject: [Elecraft] #WorldRadioDay If ya Twitter, it is

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

The extension of operation to 100-KHz is a terrific addition for those of us using the 600m band. FCC approval for experimental licensed stations on 472-478 KHz has seen a major move of activity to this new sub-band which left users of the K3 out (the old lower limit of 490-KHz). I will have

[Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

Hello Wayne, It is good to see improvement in RX phase noise which will affect the reciprocal noise mixing. Could you put the improvement in layman terms?  For example, in the original KSYN3, a weak CW signal could be heard 10Khz away from a S9+60db signal, under the new KSYN3A, what improvement

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

---and I just received my K3 kit serial number 8795. I had no idea this was coming up! The extended receiver tuning down to 100KHz sounds interestingwhat are the front-end filtering arrangements for that, I wonder? And it would be interesting to see some comparative close-in phase noise plots

Re: [Elecraft] SWR

I guess it's semantics. If an undesired output event causes a corrective action to be taken in a previous stage isn't this a closed loop? I believe it is, even if it's a "man-in-the-loop" system, i.e. I see on the oscilloscope that I'm flat topping so I turn the audio gain down to correct it.

[Elecraft] #WorldRadioDay

If ya Twitter, it is this very day: World Radio Day. Put a pix of your ELECRAFT rig on Twitter, hash tag WorldRadioDay. David Ahrendts davidahren...@me.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

What makes this desirable to me (If I'm reading this right) is the ability to be able to receive down to 100KHz. I've been working on designing a RX (and possible TX) converter so this is very desirable to me. From: Wayne Burdick To: Elecraft Reflector ; "elecraft...@yahoogroups.com

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

Barry - >From Wayne's post... See feature list below. Ordering and installation instructions can be found here: http://www.elecraft.com/order_form_parts.htm#K3%20Parts 773, Mike NF4L > On Feb 13, 2015, at 7:52 AM, Barry wrote: > > Wat is involved, technically in performing the upgrade - is

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

Dang, I just put the sub receiver in last week I should have waited From: Wayne Burdick To: Elecraft Reflector ; "elecraft...@yahoogroups.com" Sent: Friday, February 13, 2015 1:07 AM Subject: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A The KSYN3A synt

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

Is it worth the $400 bucks? K2TTT Sent from my Verizon Wireless 4G LTE smartphone Original message From: Barry Date:02/13/2015 7:52 AM (GMT-05:00) To: elecraft@mailman.qth.net Subject: Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A Wat i

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

Wat is involved, technically in performing the upgrade - is it simply swapping out a board? Barry W2UP -- View this message in context: http://elecraft.365791.n2.nabble.com/Upgraded-K3-synthesizer-module-now-available-The-KSYN3A-tp7598267p7598270.html Sent from the Elecraft mailing list archive

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

Wayne, That sounds interesting. Before investing in two modules I'd like to know how much the dynamic range will change. Could you share some relevant measurements? 73 Arie PA3A Wayne Burdick schreef op 13-2-2015 om 7:07: * ULTRA-LOW PHASE NOISE The KSYN3A significantly improves the K3's

Re: [Elecraft] Upgraded K3 synthesizer module now available: The KSYN3A

Hi Wayne Wowa major upgrade, my two cents... "a must have", TX phase noise is the most annoying side effect in ham bands today, major advantage in SO2R's configs. Wayne a quick question, are in stock? Waiting times? Some preliminary measurements eventually some side-by-side numbers? Tnxvy 73