Re: [Elecraft] Failure to connect with Elecraft server
Hi Don, Thanks again for your prompt reply. Not all laptops available today have a card slot. I am using the ACER 5724Z which does not have a card slot. Referring to page 21 of the KPA owner's manual, I am using the KPA/K3 AUX Cable. If I want to upgrade the firmware on all three units (K3, P3, and KPA) then can you or Elecraft recommend a permanent configuration of serial cables that will enable such a requirement? It seems to me that if there is no answer to my last question then I will need to change the serial cable connections for each unit every time that I need to upgrade the firmware. The alternative is to take the advice of Fred Cady on page 247 of his excellent manual. Many thanks once again for your valuable help Don. 73 from Charles - M0BIN On 8 November 2011 20:07, Don Wilhelm d...@w3fpr.com wrote: If you must operate with a laptop, may I suggest you look around (EBay for example) for an older Inside Out 4 port Edgeport USB to serial adapter (converter). These are commercial devices and are much more reliable than those generally available to consumers. Edgeport was bought out by another company (Digi) that still makes those devices, and the new drivers work great. It is the only USB to serial adapter that will work right with the slower speeds of the K2. I have 4 good serial ports on my laptop. Digi does have drivers for Linux as well as Windows. I just looked on Ebay and did not see any of the older 4 port ones like I got some time ago, and the 8 port ones were quite pricey. Maybe you will get lucky. __ 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
[Elecraft] Wanted: K3 Filters (FM, AM, KBPF etc) and P3 Panadapter
Hello group! I´m looking for some used options for my K3: 1.) P3 Panadapter 2.) KFL3A-400 400 Hz, narrow 8-pole filter 3.) KFL3A-250 250 Hz, narrow 8-pole filter 4.) TCXO3-1 TCXO 5.) KBPF3 General Coverage RX Bandpass Module 6.) KFL3A-6K6 kHz AM / ESSB, 8-pole 7.) KFL3B-FM 13 kHz FM 73s Alex NH7VW -- View this message in context: http://elecraft.365791.n2.nabble.com/Wanted-K3-Filters-FM-AM-KBPF-etc-and-P3-Panadapter-tp6977437p6977437.html Sent from the Elecraft mailing list archive at Nabble.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
Re: [Elecraft] Failure to connect with Elecraft server
Charles, The Edgeport/4 that I mentioned connects with a USB cable, you should have USB ports on your laptop. 73, Don W3FPR On 11/9/2011 4:08 AM, Charles wrote: Hi Don, Thanks again for your prompt reply. Not all laptops available today have a card slot. I am using the ACER 5724Z which does not have a card slot. Referring to page 21 of the KPA owner's manual, I am using the KPA/K3 AUX Cable. If I want to upgrade the firmware on all three units (K3, P3, and KPA) then can you or Elecraft recommend a permanent configuration of serial cables that will enable such a requirement? It seems to me that if there is no answer to my last question then I will need to change the serial cable connections for each unit every time that I need to upgrade the firmware. The alternative is to take the advice of Fred Cady on page 247 of his excellent manual. Many thanks once again for your valuable help Don. 73 from Charles - M0BIN __ 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
Re: [Elecraft] K3 how to remember setings per band
Gary, I suggest a study of the menu items to assist you with the various ways to configure the K3. In the case of remembering split, look at CONFIG SPLT SV. 73, Don W3FPR On 11/9/2011 1:55 AM, Gary Smith wrote: Somehow I've lost the proper settings for the K3 to remember what it is set for per band. As it is now, say I am on 20M and running CW, working split, 50W output, filter width 150 cycles I switch to 30M, all the settings from 20 will apply to all the other bands except the split will not carry over. When I go back to the band I was working split on, the split does not remain in memory and I have to set it up again. What do I need to do in the config setup to have it remember the settings per band? __ 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
Re: [Elecraft] Failure to connect with Elecraft server
Hi Charles, The Edgeport unit is a great deal. It expands one usb port to 4 serial ports and is easy to install (although I haven't tried it on a Windows 7 laptop yet). When I got mine on ebay it was about $50US. There is one on there now for $59 and a couple more for about $80. Cheers, Fred, KE7X The Elecraft K3: Design, Configuration, and Operation www.ke7x.com -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Charles Sent: Wednesday, November 09, 2011 2:09 AM To: d...@w3fpr.com; elecraft@mailman.qth.net Subject: Re: [Elecraft] Failure to connect with Elecraft server Hi Don, Thanks again for your prompt reply. Not all laptops available today have a card slot. I am using the ACER 5724Z which does not have a card slot. Referring to page 21 of the KPA owner's manual, I am using the KPA/K3 AUX Cable. If I want to upgrade the firmware on all three units (K3, P3, and KPA) then can you or Elecraft recommend a permanent configuration of serial cables that will enable such a requirement? It seems to me that if there is no answer to my last question then I will need to change the serial cable connections for each unit every time that I need to upgrade the firmware. The alternative is to take the advice of Fred Cady on page 247 of his excellent manual. Many thanks once again for your valuable help Don. 73 from Charles - M0BIN On 8 November 2011 20:07, Don Wilhelm d...@w3fpr.com wrote: If you must operate with a laptop, may I suggest you look around (EBay for example) for an older Inside Out 4 port Edgeport USB to serial adapter (converter). These are commercial devices and are much more reliable than those generally available to consumers. Edgeport was bought out by another company (Digi) that still makes those devices, and the new drivers work great. It is the only USB to serial adapter that will work right with the slower speeds of the K2. I have 4 good serial ports on my laptop. Digi does have drivers for Linux as well as Windows. I just looked on Ebay and did not see any of the older 4 port ones like I got some time ago, and the 8 port ones were quite pricey. Maybe you will get lucky. __ 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 __ 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
[Elecraft] FS: P3 in Europe
P3 in excellent working condition with all leads, VAT paid. £425 + carriage of buyer's choice. PayPal only. -- View this message in context: http://elecraft.365791.n2.nabble.com/FS-P3-in-Europe-tp6977872p6977872.html Sent from the Elecraft mailing list archive at Nabble.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
Re: [Elecraft] Edgeport/4
Depending on how much of a hurry you're in, check out ebay over a period of weeks or months. When IT places sell them off, you can get great deals. I picked up one for $20 and at the time there several dozen available. But $60 isn't bad either. 73, Mike ab3ap On 11/09/2011 07:34 AM, Cady, Fred wrote: Hi Charles, The Edgeport unit is a great deal. It expands one usb port to 4 serial ports and is easy to install (although I haven't tried it on a Windows 7 laptop yet). When I got mine on ebay it was about $50US. There is one on there now for $59 and a couple more for about $80. Cheers, Fred, KE7X The Elecraft K3: Design, Configuration, and Operation www.ke7x.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
[Elecraft] Best setup for DX pedition K3 -- resurrected
Last Monday Mike and Andy had the exchange below. Andy has the right idea about keeping the AGC slope setting so that it reduces the AGC compression. That would be Slope=0. The threshold also has an effect and determines the signal level that the AGC compression cuts in. At present, the highest threshold setting is THR=8, for which AGC starts to operate at signals at about S3 level. In my experience from C6 (and others), that is too low. I think the AGC works great when you have a spectrum of differing signal levels, some loud and some weak. The problem that I see is when you have a pileup of signals where they are all about the same signal level. That often happens on European pileups. I wish there were a way to set the THR at a higher signal level, say S7-S8, and then to crank in a slope greater than 0. This would give us a greater range of signals in the linear response region before AGC compression sets in, and allow better discrimination of those almost alike signals. That would, if using Slope0, make for some non-linearities when strong signals are there but I would think it would be better than the audio clipping that exists when you run with AGC off. I wish we could try a firmware test version during CQWW that would let me test my theory, but I don't know how big of a software change that would be or if there are other ramifications of letting THR be higher. Good luck and have fun at J6. The Team Vertical guys will be on from C6, operating C6AAW M/M (lite) with at least 5 K3s. I'll be C6AKX before the contest. 73 and cheers, Fred, KE7X The Elecraft K3: Design, Configuration, and Operation www.ke7x.com [quote] Jim, At P49Y, I have found it useful on CW to use an AGC slope setting that reduces agc compression.That way you can use the RF gain control to help manage the pileup. But I recommend keeping the AGC on so that you don't get blasted by a very strong signal after you have been straining to pull out a weak one with the af gain turned up. 73, andy ae6y -Original Message- From: W0MU Mike Fatchett Sent: Monday, November 07, 2011 9:51 AM To: Elecraft Reflector Subject: [Elecraft] Best setup for DX pedition K3 I am looking for suggestion on the best receiver setup for our trip to J6. I know we are going to have some pretty big pileups. I recall reading about the VP6DX guys probably using no AGC and riding the RF gain if my memory is correct. Are there any other tweaks that might come in handy? [/quote] Fred fcady at ieee dot org The Elecraft K3: Design, Configuration, and Operation www.ke7x.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
[Elecraft] LinkedIn
I have received a number of invitations to join this network recently. The invitations have been from people who I do not know. I do not know whether these people have knowingly allowed this network access to their email lists or not. However, there have been some cases where I have received invitations directly, and not via a reflector list. I regard such invitations as constituting a serious violation of my privacy. I do not allow anybody to pass on my email address to anyone else without my express permission. If a person wants to join any social networking system, that is their decision, and I am fine with that, but I would hope that they have a bit of common sense and consideration and not allow access to their email lists. Criminal use of email addresses, fraud and identity thefts have become major issues in all countries of the world, even for us living in Godzone downunder. My action is to blacklist the email addresses of offenders in my Mailwasher (TM) email screening system. 73 Kevin VK3DAP / ZL2DAP __ 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
[Elecraft] K3/Mac setup
I'm a new Mac user, and trying to get it set up with the K3. When I plug a USB to serial cable into the Mac, there is no reaction I can see. Do I need to load a driver? If so, how? Any other tips, hints, or kinks welcome. 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
Re: [Elecraft] K3/Mac setup
Depends on what USB/serial interface you have, I guess. You should be able to find drivers on the manufacturer's website. Sometimes the drivers that ship with these things can be be pretty out of date. And yes, you do need to install the associated driver. Grant/NQ5T On Nov 9, 2011, at 7:37 AM, Mike wrote: I'm a new Mac user, and trying to get it set up with the K3. When I plug a USB to serial cable into the Mac, there is no reaction I can see. Do I need to load a driver? If so, how? Any other tips, hints, or kinks welcome. 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
Re: [Elecraft] FS: P3 in Europe
I forgot to add: factory assembled. The price is denominated in sterling. PayPal will determine the xchange rate for other currencies. -- View this message in context: http://elecraft.365791.n2.nabble.com/FS-P3-in-Europe-tp6977872p6978033.html Sent from the Elecraft mailing list archive at Nabble.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
Re: [Elecraft] SDR-IF and I/Q questions
Hi, Many (most?) users of LP-Pan have switched from PSDR-IF to NaP3. Here: http://www.telepostinc.com/NaP3.html This software is much easier to set up and has most of the unuseable features in PSDR removed. It provides audio (two receivers) but does not yet support the VAC (which is only needed if you need to feed audio to another program). Some people are complaining about images with this program, too. I only have an occasional problem and exiting and restating the program always fixes it. The developer is very responsive and actively working on improvements. AB2TC - Knut \ Tony Estep wrote: On Tue, Nov 8, 2011 at 2:36 PM, Richard Fjeld lt;rpfjeld@gt;wrote: ...Some of us use SDR-IF... = Richard, I assume you know about the Google group for PSDR-IF: http://code.google.com/p/powersdr-if-stage/issues/list You may get some helpful info there. The guys who did the conversion of PSDR to get it to work with IF output can't be blamed for problems with PSDR 's performance.They just dealt with interfacing issues. The provenance of PSDR is complicated, and it has accumulated a lot of commentary over its life. snip -- View this message in context: http://elecraft.365791.n2.nabble.com/SDR-IF-and-I-Q-questions-tp6975854p6978057.html Sent from the Elecraft mailing list archive at Nabble.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
Re: [Elecraft] Failure to connect with Elecraft server
I load firmware quite often and became weary of repositioning cables. I use what's called a DB-9 ABCD switch that switches one serial port to any of four devices. The four ports are connected to one P3 (with a K3 behind it), one K3 (without a P3), one KPA500, and one serial data cable that is moved around as needed for a W2, XG3, KX3, and another product in development. My personal computer is connected to a KUSB, and the DB-9 end of that KUSB connects to a 6' serial straight through DB-9 cable to provide enough length to get to the ABCD box. I used Google search for ABCD switch db9. There are a lot of vendors and prices vary widely from $10 to well over $25. When comparing prices, be sure to consider the cost of shipping. I purchased several one-meter male-male DB-9 jumper cables as well. I actually use two more ABCD switches so that I can switch a couple of K3s between the first ABCD switch and a USB SO2R controller. 73 de Dick, K6KR -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Charles Sent: Wednesday, November 09, 2011 1:09 AM To: d...@w3fpr.com; elecraft@mailman.qth.net Subject: Re: [Elecraft] Failure to connect with Elecraft server Hi Don, Thanks again for your prompt reply. Not all laptops available today have a card slot. I am using the ACER 5724Z which does not have a card slot. Referring to page 21 of the KPA owner's manual, I am using the KPA/K3 AUX Cable. If I want to upgrade the firmware on all three units (K3, P3, and KPA) then can you or Elecraft recommend a permanent configuration of serial cables that will enable such a requirement? It seems to me that if there is no answer to my last question then I will need to change the serial cable connections for each unit every time that I need to upgrade the firmware. The alternative is to take the advice of Fred Cady on page 247 of his excellent manual. Many thanks once again for your valuable help Don. 73 from Charles - M0BIN On 8 November 2011 20:07, Don Wilhelm d...@w3fpr.com wrote: If you must operate with a laptop, may I suggest you look around (EBay for example) for an older Inside Out 4 port Edgeport USB to serial adapter (converter). These are commercial devices and are much more reliable than those generally available to consumers. Edgeport was bought out by another company (Digi) that still makes those devices, and the new drivers work great. It is the only USB to serial adapter that will work right with the slower speeds of the K2. I have 4 good serial ports on my laptop. Digi does have drivers for Linux as well as Windows. I just looked on Ebay and did not see any of the older 4 port ones like I got some time ago, and the 8 port ones were quite pricey. Maybe you will get lucky. __ 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 __ 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
[Elecraft] SDR-IF and I/Q questions
Thanks, John I thought maybe it was just me. Good news. I will feel foolish if I am the last to know this, but I found Simon Brown at SDR-Radio.com. He has a nice presentation on SDR that is about 74 Mb. There is hope. Richard Fjeld, n0ce rpfj...@embarqmail.com I'd rather be learning. __ 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
[Elecraft] KE7X book
A while back, I saw some discount 'coupons' on the list for the K3 book from KE7X. Are there any current discounts available for this item? ...bill nr4c __ 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
Re: [Elecraft] K3/Mac setup
Yes, I'm using an iMac (Snow Leopard) with a MicroHam DigiKeyer and a KUSB. The D/K with MacLoggerDX for rig control / loggin and the KUSB for Firmware (although it could be used with MLDX too. I have the early KUSB (with Prolific chipset), D/K uses FTDI. Did get latest Prolific driver when I first used the KUSB. Don't think I needed special driver for FTDI. Run System Profiler and look at USB list, you should see your adapter come up. Remember to refresh cmd-R, if you launch S/P before plugging in the adapter. 73 de M0XD (K3 #174, P3 #108, KX3 #???) -- A society grows great when old men plant trees whose shade they know they shall never sit in. -Greek proverb On 9 Nov 2011, at 13:51, Grant Youngman wrote: Depends on what USB/serial interface you have, I guess. You should be able to find drivers on the manufacturer's website. Sometimes the drivers that ship with these things can be be pretty out of date. And yes, you do need to install the associated driver. Grant/NQ5T On Nov 9, 2011, at 7:37 AM, Mike wrote: I'm a new Mac user, and trying to get it set up with the K3. When I plug a USB to serial cable into the Mac, there is no reaction I can see. Do I need to load a driver? If so, how? Any other tips, hints, or kinks welcome. __ 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
Re: [Elecraft] KE7X book
Hi Bill, There is usually about one/month and they notify me about them. When I next get a notice I'll post it on my website and let the list know. Cheers and 73, Fred Fred Cady The Elecraft K3: Design, Configuration, and Operation www.ke7x.com -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft- boun...@mailman.qth.net] On Behalf Of nr4c Sent: Wednesday, November 09, 2011 7:19 AM To: Elecraft@mailman.qth.net Subject: [Elecraft] KE7X book A while back, I saw some discount 'coupons' on the list for the K3 book from KE7X. Are there any current discounts available for this item? ...bill nr4c __ 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 __ 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
Re: [Elecraft] K3/Mac setup
I am using iMac-24 running Lion and have both the K3 and P3 utility programs plus the one for the XG3. All use the FTDI chipset and all work fine on Lion (Mac OS X 10.7.2). I also run MacLoggerDX as well which I highly recommend if you will use your Mac for logging. I also have all the same stuff running on my Macbook Pro (17) laptop but usually do my Elecraft stuff from the iMac. 73, phil, K7PEH On Nov 9, 2011, at 5:37 AM, Mike wrote: I'm a new Mac user, and trying to get it set up with the K3. When I plug a USB to serial cable into the Mac, there is no reaction I can see. Do I need to load a driver? If so, how? Any other tips, hints, or kinks welcome. 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 __ 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
[Elecraft] no regrets after doing this venture
pHey Friend.brmy options were pretty slim this is so unique now I am recognized all over the place get a head start on itbra href=http://www.lcats.org/main/redirect.asp?savixamp;49fyn=aol.comamp;49xeby=facebook.comamp;id=http://work99home.ru/profile;http://www.lcats.org/main/redirect.asp?savixamp;49fyn=aol.comamp;49xeby=facebook.comamp;id=http://work99home.ru/profile/abrgoodbye/p __ 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
[Elecraft] SDR-IF and I/Q questions
Responding the message repeated, below.
Planning on a KX3 and user of SDR sw I am interested in this topic,
though I have no experience with SDR-IF, PSDR-IF, or HDSDR. I have a
SDR-IQ which interfaces using USB-2.0 and mainly run Spectravue with
it (though I have run Linrad). Also the K3+LPPan+emu0202 which uses
USB-2.0, also. These can also utilize software that support
soundcard input (with proper drivers).
My impression was that the KX3 IQ output was analog baseband and not
converted to USB. (?).
73, Ed - KL7UW
Message: 16
Date: Tue, 8 Nov 2011 14:36:53 -0600
From: Richard Fjeld rpfj...@embarqmail.com
Subject: [Elecraft] SDR-IF and I/Q questions
To: elecraft posting elecraft@mailman.qth.net
Message-ID: A1A1511B47FF46F7A35DA9C84AFA1D5E@BIOSTAR
Content-Type: text/plain; charset=Windows-1252
This is the new subject title, and needs some background, so it will
be lengthy this time.
Some of us use SDR-IF, and the new KX3 will use SDR-I/Q methods for
connecting to a computer running SDR software and seeing the results
on a monitor. (The SDR-IF users must provide a SDR-IF receiver to
bring out the I/Q leads. It is to be assumed that the SDR-IF receiver
is functioning correctly.) With both types, I/Q leads are brought
to a computer. (If you are wondering, I am on the list for a KX3)
So the computer AND THE SOFTWARE are the center of attraction here.
This is where great things may happen. (Emphasis on 'may')
Some of us are at different experience levels, but I think we all
would have, and still would, appreciate help to reach
satisfaction. The reflector is the place for this. The real question
is; Should this be on a dedicated thread? When I read the KX3 was
going to be SDR capable, I wondered if Elecraft realized what it was
getting into for the reflector?
IMHO, The weak link in this SDR thing is the computer and software.
PSDR-IF has great control features, but when I compare it to HDSDR,
the latter does a great job of displaying the signals and is very
sensitive. PSDR-IF looks at both directions in spectrum, so far, I
can only get HDSDR to look upward in spectrum.
We can't get rid of the mirrored images in PSDR-IF. ('WE' includes a
friend who still owns 3 of 6 Flex radios he has owned, and 2 of 4
SDR-IF receivers. He is no beginner to SDR.)
My thanks to all who responded. Can't take the space to recap
everything, but Sebastian suggested mirrored images are due to ground
loops. It has been long enough that I can't remember if I checked
that, and I will. However, why just PSDR-IF and not HDSDR that is
affected? A ground loop should affect both. Still, it is worth checking out.
Basically, I'm disappointed with the software. I don't mind
installing and setting some options for my type of equipment, but
from there-on I expect it to function conveniently and nearly as well as a P3.
The question for today is; have any Elecraft users achieved that goal
with a computerized pan-adapter? And if so, with what software? And
if so, do you use a USB to Serial, or straight Serial?
Thanks, from now on it will be shorter.
Richard Fjeld, n0ce
rpfj...@embarqmail.com
I'd rather be learning.
73, Ed - KL7UW, WD2XSH/45
==
BP40IQ 500 KHz - 10-GHz www.kl7uw.com
EME: 50-1.1kw?, 144-1.4kw, 432-QRT, 1296-?, 3400-?
DUBUS Magazine USA Rep dubus...@gmail.com
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[Elecraft] OT: Remote tuner, vertical, and K3 help needed
I have a weird problem that I could use help on. I have limited experience with antennas, so the answer could be something simple I have overlooked. I am using a K3/100 with the ATU. I recently installed a 31 foot vertical antenna with ground radials and a balun at the base. The MFJ analyzer shows an SWR (at my K3) below 1. 3:1 on 40M and near 15M as you would expect. SWR for the other bands are much higher, about 4:1 for 17, 12, and 10. But, the K3 tuner trims up fine. I understand the efficiency is hit, but it does work. On 20M, the SWR is near 6:1. Again, I can tune it with the K3, but I am not getting out well. These results are the same with the Electraft BL2 balun OR a DX Engineering line choke installed. There is about 80 feet of LMR-400 between the rig and the antenna. I also have a static/lightning arrestor in line. In doing some research, it seems that a remote tuner at the antenna base would be a more efficient system. I purchased a remote tuner kit from DX Engineering, that includes an MFJ 927 tuner at the base (along with a mount and a line choke). I bypassed the internal K3 tuner. With the remote tuner in place, the SWR HI message is displayed on my K3 when I try to transmit most of the time, and on all bands. The tuner was checked out by MFJ under warranty, and came back fine. I reinstalled it, and have the same problem. I verified that 12 volts is getting to the tuner. Bypassing the lightning arrestor makes no difference. Going back to the K3 and no remote tuner works as before. Elecraft tech support was very helpful as usual. They did suggest replacing the internal tuner with the passthrough board sold with the base K3 to see if there was some weirdness between the two tuners. I do not have the correct board, as I bought my rig with the tuner. DX Engineering could not help me. I gave up on MFJ. Does anyone have a similar configuration that is working? Does anyone have the board that is in place when the ATU is not installed? I would 'rent' it if available for testing. A new one from Elecraft is about $60. As this is a bit OT, please respond off line, and I will post any solutions back to the reflector for future reference. Thanks in advance. 73s Randy K6CRC K3#2051 k6...@arrl.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
[Elecraft] Send Bank 2 M1-M4 from keyboard
I am setting up Writelog for the SS Phone contest and would like to send the K3 Bank 1 and Bank 2 memories from the keyboard in Writelog. I know how to set up Writelog.ini using the [Elecraft_K3_commands] Macro_n=SWT21; (etc.) settings. I have the Bank 1 memories working fine, but when I try to switch to Bank 2 (SWH37;), send memory M1 (SWT21;), and then switch back to Bank 1 (SWH37;), I only get one switch bank executed and M1 is NOT executed. In other words, the command sequence: SWH37;SWT21;SWH37; doesn't switch back to the original memory bank and does not send M1. It only switches the memory bank once. What am I doing wrong here? Anyone know how to accomplish this? Thanks! 73, Ron N6EE __ 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
Re: [Elecraft] [Bulk] OT: Remote tuner, vertical, and K3 help needed
Randy, I do the same thing but I use an SGC-239 tuner at the base of a 43' vertical. Try going into the configuration mode of the K3 and set the tune power to 10 watts. Pick a frequency and push and hold the xmit/tune button on the K3 so you'll send 10 watts or less to the mfj tuner to start a tune cycle. Once you get an acceptable swr you should be able to transmit at 100 watts. After you do this on all the bands that you normally operate on the, the mfj tuner should remember it so quick qsy's are accomplished without pressing the tune button. A couple dits from your paddle should do it there after. Rich - N5ZC On 11/9/2011 12:28 PM, Randy Cook wrote: I have a weird problem that I could use help on. I have limited experience with antennas, so the answer could be something simple I have overlooked. I am using a K3/100 with the ATU. I recently installed a 31 foot vertical antenna with ground radials and a balun at the base. The MFJ analyzer shows an SWR (at my K3) below 1. 3:1 on 40M and near 15M as you would expect. SWR for the other bands are much higher, about 4:1 for 17, 12, and 10. But, the K3 tuner trims up fine. I understand the efficiency is hit, but it does work. On 20M, the SWR is near 6:1. Again, I can tune it with the K3, but I am not getting out well. These results are the same with the Electraft BL2 balun OR a DX Engineering line choke installed. There is about 80 feet of LMR-400 between the rig and the antenna. I also have a static/lightning arrestor in line. In doing some research, it seems that a remote tuner at the antenna base would be a more efficient system. I purchased a remote tuner kit from DX Engineering, that includes an MFJ 927 tuner at the base (along with a mount and a line choke). I bypassed the internal K3 tuner. With the remote tuner in place, the SWR HI message is displayed on my K3 when I try to transmit most of the time, and on all bands. The tuner was checked out by MFJ under warranty, and came back fine. I reinstalled it, and have the same problem. I verified that 12 volts is getting to the tuner. Bypassing the lightning arrestor makes no difference. Going back to the K3 and no remote tuner works as before. Elecraft tech support was very helpful as usual. They did suggest replacing the internal tuner with the passthrough board sold with the base K3 to see if there was some weirdness between the two tuners. I do not have the correct board, as I bought my rig with the tuner. DX Engineering could not help me. I gave up on MFJ. Does anyone have a similar configuration that is working? Does anyone have the board that is in place when the ATU is not installed? I would 'rent' it if available for testing. A new one from Elecraft is about $60. As this is a bit OT, please respond off line, and I will post any solutions back to the reflector for future reference. Thanks in advance. 73s Randy K6CRC K3#2051 k6...@arrl.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 __ 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
Re: [Elecraft] OT: Remote tuner, vertical, and K3 help needed
Randy, I would suggest moving the new tuner back into your shack where you can try doing a tune with your rig and be able to see what the tuner is actually doing. From the manual it looks like you have to enable automatic tuning. It could be that is not set and the tuner is just staring at you. Also, make sure your tune power to the tuner is not greater than 10 watts. 73 - Mike WA8BXN ---Original Message--- From: Randy Cook Date: 11/09/11 13:28:37 To: elecraft@mailman.qth.net Subject: [Elecraft] OT: Remote tuner, vertical, and K3 help needed I have a weird problem that I could use help on. I have limited experience with antennas, so the answer could be something simple I have overlooked. I am using a K3/100 with the ATU. I recently installed a 31 foot vertical antenna with ground radials and a balun at the base. The MFJ analyzer shows an SWR (at my K3) below 1. 3:1 on 40M and near 15M as you would expect. SWR for the other bands are much higher, about 4:1 for 17, 12, and 10. But, the K3 tuner trims up fine. I understand the efficiency is hit, but it does work On 20M, the SWR is near 6:1. Again, I can tune it with the K3, but I am not getting out well. These results are the same with the Electraft BL2 balun OR a DX Engineering line choke installed. There is about 80 feet of LMR-400 between the rig and the antenna. I also have a static/lightning arrestor in line. In doing some research, it seems that a remote tuner at the antenna base would be a more efficient system. I purchased a remote tuner kit from DX Engineering, that includes an MFJ 927 tuner at the base (along with a mount and a line choke). I bypassed the internal K3 tuner. With the remote tuner in place, the SWR HI message is displayed on my K3 when I try to transmit most of the time, and on all bands. The tuner was checked out by MFJ under warranty, and came back fine. I reinstalled it, and have the same problem. I verified that 12 volts is getting to the tuner. Bypassing the lightning arrestor makes no difference. Going back to the K3 and no remote tuner works as before. Elecraft tech support was very helpful as usual. They did suggest replacing the internal tuner with the passthrough board sold with the base K3 to see if there was some weirdness between the two tuners. I do not have the correct board, as I bought my rig with the tuner. DX Engineering could not help me. I gave up on MFJ. Does anyone have a similar configuration that is working? Does anyone have the board that is in place when the ATU is not installed? I would 'rent' it if available for testing. A new one from Elecraft is about $60. As this is a bit OT, please respond off line, and I will post any solutions back to the reflector for future reference. Thanks in advance. 73s Randy K6CRC K3#2051 k6...@arrl.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 __ 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
[Elecraft] [ELECRAFT] WTB: KBPF3
I'm seeking a KBPF3 General Coverage RX Bandpass Module for the K3. Kindly contact me off list if you have one for sale. Thanks. Dave Lankshear G3TJP G3TJP (at) ARRL (dot) 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
Re: [Elecraft] OT: Remote tuner, vertical, and K3 help needed
I would suggest moving the new tuner back into your shack where you can try doing a tune with your rig and be able to see what the tuner is actually doing. A few well-conducted measurements are worth a thousand expert opinions. As suggested by Rich, N5ZC, he should consider placement of an ATU at the base of the vertical for the reasons cited by Owen, VK1OD: http://vk1od.net/antenna/multibandunloadedvertical/ VK1OD first examined systematic loss of a 33 ft vertical where the ATU is at the transmitter (e.g., within the K3). See Fig. 1 2. To increase multiband radiation resistance, he then modeled the popular 43 vertical with an ATU moved to the antenna's base. See Fig. 5. The system loss difference is huge across the HF spectrum. Phil, AD5X has also analyzed the 43 footer for use on 160m/80m. His method seems to be effective for those bands. I'm no fan of 43 ft verticals, but absent using open line to the antenna's base, feeding low-loss coax to an ATU located at the vertical's base is the only way to ensure good system efficiency. Same with a 31-33 ft vertical if it was going to be used for multiband operation. Paul, W9AC __ 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
Re: [Elecraft] OT: Remote tuner, vertical, and K3 help needed
Have you substituted your dummy load in place of the tuner at the antenna and rechecked the SWR? That will identify any connector/coax/arrester issues. Ron AC7AC -Original Message- I have a weird problem that I could use help on. I have limited experience with antennas, so the answer could be something simple I have overlooked. I am using a K3/100 with the ATU. I recently installed a 31 foot vertical antenna with ground radials and a balun at the base. The MFJ analyzer shows an SWR (at my K3) below 1. 3:1 on 40M and near 15M as you would expect. SWR for the other bands are much higher, about 4:1 for 17, 12, and 10. But, the K3 tuner trims up fine. I understand the efficiency is hit, but it does work. On 20M, the SWR is near 6:1. Again, I can tune it with the K3, but I am not getting out well. These results are the same with the Electraft BL2 balun OR a DX Engineering line choke installed. There is about 80 feet of LMR-400 between the rig and the antenna. I also have a static/lightning arrestor in line. In doing some research, it seems that a remote tuner at the antenna base would be a more efficient system. I purchased a remote tuner kit from DX Engineering, that includes an MFJ 927 tuner at the base (along with a mount and a line choke). I bypassed the internal K3 tuner. With the remote tuner in place, the SWR HI message is displayed on my K3 when I try to transmit most of the time, and on all bands. The tuner was checked out by MFJ under warranty, and came back fine. I reinstalled it, and have the same problem... Thanks in advance. 73s Randy K6CRC K3#2051 k6...@arrl.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
Re: [Elecraft] OT: Remote tuner, vertical, and K3 help needed
Randy, In cases like your, an antenna analyzer comes in very handy. Do the normal thing to make your remote tuner tune the antenna - then remove the coax from the K3 and attach it to the antenna analyzer. What is the SWR? If it is sufficiently close to SWR=1, then you have a K3 problem, if it is not near 1, then you have an antenna/feedline/tuner problem, and you can further break it down by measuring at different points in the antenna system. Don't have an antenna analyzer? Ask if one of your local hams have one they would be willing to lend, or they might even offer to take it to your house and help you locate the problem. 73, Don W3FPR On 11/9/2011 1:28 PM, Randy Cook wrote: I have a weird problem that I could use help on. I have limited experience with antennas, so the answer could be something simple I have overlooked. I am using a K3/100 with the ATU. I recently installed a 31 foot vertical antenna with ground radials and a balun at the base. The MFJ analyzer shows an SWR (at my K3) below 1. 3:1 on 40M and near 15M as you would expect. SWR for the other bands are much higher, about 4:1 for 17, 12, and 10. But, the K3 tuner trims up fine. I understand the efficiency is hit, but it does work. On 20M, the SWR is near 6:1. Again, I can tune it with the K3, but I am not getting out well. These results are the same with the Electraft BL2 balun OR a DX Engineering line choke installed. There is about 80 feet of LMR-400 between the rig and the antenna. I also have a static/lightning arrestor in line. In doing some research, it seems that a remote tuner at the antenna base would be a more efficient system. I purchased a remote tuner kit from DX Engineering, that includes an MFJ 927 tuner at the base (along with a mount and a line choke). I bypassed the internal K3 tuner. With the remote tuner in place, the SWR HI message is displayed on my K3 when I try to transmit most of the time, and on all bands. The tuner was checked out by MFJ under warranty, and came back fine. I reinstalled it, and have the same problem. I verified that 12 volts is getting to the tuner. Bypassing the lightning arrestor makes no difference. Going back to the K3 and no remote tuner works as before. __ 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
Re: [Elecraft] OT: Remote tuner, vertical, and K3 help needed
Or even simply replace the antenna with the dummy load to make sure the tuner actually works remotely. It seems to me that some basic trouble shooting here might possibly supplant a whole lot of conjecture. Dave AB7E On 11/9/2011 12:21 PM, Ron D'Eau Claire wrote: Have you substituted your dummy load in place of the tuner at the antenna and rechecked the SWR? That will identify any connector/coax/arrester issues. Ron AC7AC -Original Message- I have a weird problem that I could use help on. I have limited experience with antennas, so the answer could be something simple I have overlooked. I am using a K3/100 with the ATU. I recently installed a 31 foot vertical antenna with ground radials and a balun at the base. The MFJ analyzer shows an SWR (at my K3) below 1. 3:1 on 40M and near 15M as you would expect. SWR for the other bands are much higher, about 4:1 for 17, 12, and 10. But, the K3 tuner trims up fine. I understand the efficiency is hit, but it does work. On 20M, the SWR is near 6:1. Again, I can tune it with the K3, but I am not getting out well. These results are the same with the Electraft BL2 balun OR a DX Engineering line choke installed. There is about 80 feet of LMR-400 between the rig and the antenna. I also have a static/lightning arrestor in line. In doing some research, it seems that a remote tuner at the antenna base would be a more efficient system. I purchased a remote tuner kit from DX Engineering, that includes an MFJ 927 tuner at the base (along with a mount and a line choke). I bypassed the internal K3 tuner. With the remote tuner in place, the SWR HI message is displayed on my K3 when I try to transmit most of the time, and on all bands. The tuner was checked out by MFJ under warranty, and came back fine. I reinstalled it, and have the same problem... Thanks in advance. 73s Randy K6CRC K3#2051 k6...@arrl.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 __ 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
Re: [Elecraft] OT: Remote tuner, vertical, and K3 help needed
Or even simply replace the antenna with the dummy load to make sure the tuner actually works remotely. It seems to me that some basic trouble shooting here might possibly supplant a whole lot of conjecture. I agree with Dave. Disconnect the coax from the MFJ ATU. Terminate the line with a 50-ohm load. Look at the input end with your MFJ analyzer and the K3's SWR meter. If all checks out, then reactivate the ATU and place the 50-ohm load at the output of the MFJ ATU and invoke the autotune function. In both cases, SWR should read reasonably close to 1:1, and Z measured on the MFJ analyzer (if it reads more than just SWR), should be close to 50 ohms. Probably stating the obvious, but also check to ensure that the unit is really being powered by +12V to +15V and that regulation is good (low voltage drop) during the tune sequence. Paul, W9AC __ 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
Re: [Elecraft] SDR-IF and I/Q questions
Dick and the Elecraft group;
I embrace the new KX3, as it appears to be SDR! (I LIKE the SDR stuff,
as I have had several of the Flex-Radio products, a couple of Tony
Park's Softrock-40 radios and an LP-Pan as well as a Cross Country
Wireless SDR.) In almost all cases, I have been able to use the
PowerSDR application, my fave.
I am on the waiting list for the new KX-3. Aside from the form factor,
the fact that it has the I/Q outputs is a very attractive draw for me!
My plan is to operate the KX-3 as-is, but yet have the ability to use
PowerSDR or similar app, so I can view all of the several displays that
are possible with PowerSDR on an as-desired basis. -In other words, I
will have the advantage of being able to have the visual eye candy
that PowerSDR or other apps can offer, IF and WHEN I want!
It is my HOPE to be able to operate a display app from one of my Mac
computers, using an emulation program that runs Windows XP, SP3. (While
I do have Windows computers, my main ones are all Mac, just for the ease
of operation. So, while running the KX-3, I could bring up XP in
emulation to view the panoramic or other display.)
On 7/22/64 1:59 PM, Richard Fjeld wrote:
Some of us are at different experience levels, but I think we all would have,
and still would, appreciate help to reach satisfaction. The reflector is the
place for this. The real question is; Should this be on a dedicated thread?
When I read the KX3 was going to be SDR capable, I wondered if Elecraft
realized what it was getting into for the reflector?
As I had mentioned to Dick, the fact that the KX3 appears to be of the
software-defined design, the good folks and followers of the extremely
fine Elecraft products will be somewhat forced to embrace things SDR.
(The term, ...Kicking and fighting... dragged into the twenty-first
century... do not apply here, as I think the followers of things
Elecraft are capable folks!)
As such, the SDR, the I/Q and so on COULD either be embraced and used;
-It will be like a consumer that buys a new TV, and finds that it has
something called an HDMI port. The course of action will be to (1) use
the HDMI port, or (2) ignore it. Either will be OK, of course. But, if
the HDMI is utilized, the consumer will have a possibly better
experience. I believe that the same might apply to this new-fangled I/Q
output scheme that the KX3 seems to have.
IMHO, The weak link in this SDR thing is the computer and software. PSDR-IF
has great control features... ...We can't get rid of the mirrored images in
PSDR-IF. ('WE' includes a friend who still owns 3 of 6 Flex radios he has
owned, and 2 of 4 SDR-IF receivers. He is no beginner to SDR.)
I agree! (I just might be that fellow that has had the mess of Flex
units...) The issue of the MIRRORED IMAGES that Dick and I have seen is
truly a puzzle. A puzzle that has a solution, to be sure, but we are
missing the resolution.
The really interesting thing is that other apps, such as WinRad and
HDSDR seem to be able to automatically cure the mirror image issue.
I guess the point of all this is to congratulate Dick for bringing this
topic up. And to gently tip my (our) hand to expose the problems that
we see. Somehow, the products from Flex do not have this mirror image
issue; -It is only when we use an SDR to view a radio's IF, using an
outboard as the SDR, to derive the needed I/Q signals. (Might ISOLATION
TRANSFORMERS help? -Haven't tried!)
It is my HOPE that the KX3 will behave as we'd like, and allow us the
luxury of the computer derived magic. I am optimistic, as the KX3 has
the SDR internal; All one would have to do is apply this stereo AUDIO
signal to a computer's LINE IN, or to a USB-based sound card, then run
an app to do the magic.
Now, all we need is a DELIVERY DATE for the KX3!
73, all!-Mike-KØJTA
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[Elecraft] Radio shack sir meter.
Im trying to calibrate my k 1 and bought a radio shack swr bridge. With a 50 ohm load I can tune without it but with it I get a dry high swr. I measured the coax connectors and get a short between the two coax centers and the grounds. It recieves ok but I can't get a decent tx reading. Anyone know fit is just too cheap to work for this? Thanks. Mark. N5MF T-Mobile. America's First Nationwide 4G Network. __ 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
Re: [Elecraft] Radio shack sir meter.
If you're talking about the 21-534, it should do fine at least up through 30 MHz. FWIW, I bought its great-granddaddy back in the 1970's (model 21-502A) and it still works fine. RS meters do everything an SWR meter needs to do, which is register a low SWR at a 50-ohm impedance match. Few SWR meters are very accurate above about 3:1 - even many high priced meters. If no one has messed with the power calibration, it'll do just fine for normal Ham use. Mine reads within 10% of more expensive meters from about 2 watts up through 500 watts, which, even among high priced meters is really good! Be sure you're checking for that short at the rear panel connectors on the SWR meter. The usual places for a short in a transmission line are at connectors on the cables, so remove any cables and adapters from the meter before checking. I don't have a schematic of the current bridge circuit, but if it's internal,it's possible the short at d-c isn't really a short at RF. If you just bought it, I'd take it back to the store and ask them to swap it or compare that 'short' with another meter. Ron AC7AC -Original Message- Im trying to calibrate my k 1 and bought a radio shack swr bridge. With a 50 ohm load I can tune without it but with it I get a dry high swr. I measured the coax connectors and get a short between the two coax centers and the grounds. It recieves ok but I can't get a decent tx reading. Anyone know fit is just too cheap to work for this? Thanks. Mark. N5MF T-Mobile. America's First Nationwide 4G Network. __ 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
Re: [Elecraft] Radio shack sir meter.
Mark, You did not say what part of the K1 you are trying to calibrate. If it the forward power reading of the KAT1, then it should be useful within the range of its accuracy. There are other ways to measure power and achieve good accuracy -- At the 7 watt or less power level of the K1, you can use an RF Probe connected across the dummy load, or use a 'scope with a 10X probe. That will provide you with the RF voltage level being fed to the dummy load. To calibrate the RF probe or 'scope reading - remove the KAT1 from the K1 and set the OUT menu parameter to 4 or 5 watts and do a TUNE. Note the reading on your DMM from the RF Probe or the vertical deflection on the 'scope - that is the RF voltage produced at the level indicated on the K1 display (5 watts should indicate about 14 volts with the RF Probe, or 44.7 volts peak to peak on the 'scope). The internal K1 RF detector is quite accurate as long as the load is 50 ohms pure resistive. Now you know how the RF Probe of 'scope react to that particular power level - record the voltage reading and the power indicated on the K1. Now put the KAT1 back in. (I assume you have already balanced the KAT1 wattmeter and achieved a very good null - if not, you must do that first.) With the ATU menu set for CLP, do a TUNE and tap the WPM+ or WPM- buttons to achieve the same RF voltage you had without the tuner installed. Then adjust the FWD trimmer on the KAT1 so the K1 display is the same as you had before. That method will actually be more accurate than using an external wattmeter. You are using a comparison of the indication on your RF Probe (or 'scope), so those devices do not have to be well calibrated - the only assumption you have to make is that the base K2 power indication is accurate, and I have always found that to be true after working with many K1s. 73, Don W3FPR 73, Don W3FPR On 11/9/2011 3:49 PM, Mark Flavin wrote: Im trying to calibrate my k 1 and bought a radio shack swr bridge. With a 50 ohm load I can tune without it but with it I get a dry high swr. I measured the coax connectors and get a short between the two coax centers and the grounds. It recieves ok but I can't get a decent tx reading. Anyone know fit is just too cheap to work for this? Thanks. Mark. N5MF T-Mobile. America's First Nationwide 4G Network. __ 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 __ 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
[Elecraft] Rig remote control
Those who are interested in running their radio remotely may want to look at the Nov/Dec issue of QEX, which has the article Remote Rig Operation by Ralph Gable, WA2PUX. This is a homebrew approach based on Ethernet and VOIP. Hardware construction is fairly simple, and no custom programming. One obviously has to be careful about how to turn K3 on/off. 73, Erik K7TV __ 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
Re: [Elecraft] SDR-IF and I/Q questions
Richard, I believe you are mixing two things (given the last paragraph of your post). The SDR software application has no connection with the serial or USB connection to the transceiver - the I/Q outputs are fed to the soundcard and those alone can provide a panadapter type display with no serial connection at all. The rub comes in when the users also want the frequency accurately displayed on the panadapter display and want to click-to-QSY or 'click-to-transmit or do any other type of rig control from the computer keyboard. That is where the serial port connection comes into play. The authors of SDR applications fall prey to a variety of requests for rig control based on the display - the only one that seems to have not fallen prey to those requests is Rocky which does not have all those bells and whistles. So IMHO, if you want a KISS panadapter display, use Rocky, but if you want more extended rig control, get involved with the crowd that is continually asking the authors for additional functions or changes to the functions and make your own requests to satisfy your particular wants and needs. There is a new kid on the block on the LP-Pan reflector which targets the K3 functions (the author has a K3 and develops for the functions he particularly desires -- it should work nicely with the KX3 as well) - that newest application is NaP3, and you can get in on the beta. comments too - perhaps some of your desires will be accepted. 73, Don W3FPR On 11/8/2011 3:36 PM, Richard Fjeld wrote: Basically, I'm disappointed with the software. I don't mind installing and setting some options for my type of equipment, but from there-on I expect it to function conveniently and nearly as well as a P3. The question for today is; have any Elecraft users achieved that goal with a computerized pan-adapter? And if so, with what software? And if so, do you use a USB to Serial, or straight Serial? __ 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
[Elecraft] Incredible noise tornado on 16om
Has anyone ever seen anything like this? It seems to be there 24-7. http://www.qsl.net/k2vco/160noise.jpg Another view with a wider span: http://www.qsl.net/k2vco/160noise1.jpg -- 73, Vic, K2VCO Fresno CA 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
Re: [Elecraft] Incredible noise tornado on 16om
Yes, but I haven’t found the source. Mine is also on 24-7, drifts 100 kHz or so, and has multiple humps. Bill, K1GQ On 2011.11.09, at 19:29, Vic K2VCO wrote: Has anyone ever seen anything like this? It seems to be there 24-7. http://www.qsl.net/k2vco/160noise.jpg Another view with a wider span: http://www.qsl.net/k2vco/160noise1.jpg -- 73, Vic, K2VCO Fresno CA 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 __ 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
Re: [Elecraft] Incredible noise tornado on 16om
Hi Vic - Does it drift around any? Do you still see it if you use a length of wire in your house for an antenna? If you go to a park and string up a similar length of wire, do you still see the same delay? Chances may be good its some electronic device(s) in your house or very near you. 73 - Mike ---Original Message--- From: Vic K2VCO Date: 11/09/11 19:29:24 To: Elecraft Reflector Subject: [Elecraft] Incredible noise tornado on 16om Has anyone ever seen anything like this? It seems to be there 24-7. http://www.qsl.net/k2vco/160noise.JPG Another view with a wider span: http://www.qsl.net/k2vco/160noise1.JPG -- 73, Vic, K2VCO Fresno CA 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 __ 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
Re: [Elecraft] Incredible noise tornado on 16om
G'Day Gents, Do you both really mean 24/7? If so, what does that say about source location and/or power? I think you are both Beta testers. Perhaps some new software for P3 or K3? 73, Hank, W6SX On Thu, Nov 10, 2011 at 12:39 AM, Willard Myers k...@me.com wrote: Yes, but I haven’t found the source. Mine is also on 24-7, drifts 100 kHz or so, and has multiple humps. Bill, K1GQ On 2011.11.09, at 19:29, Vic K2VCO wrote: Has anyone ever seen anything like this? It seems to be there 24-7. http://www.qsl.net/k2vco/160noise.jpg Another view with a wider span: http://www.qsl.net/k2vco/160noise1.jpg -- 73, Vic, K2VCO Fresno CA 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 __ 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 __ 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
Re: [Elecraft] Incredible noise tornado on 16om
I see the same thing on 75 and it tends to drift and appears every 10 Kh or so )(#$*%_)(#*% switching powersupplys sounds like power line noise Bob K3DJC On Wed, 09 Nov 2011 16:29:16 -0800 Vic K2VCO k2vco@gmail.com writes: Has anyone ever seen anything like this? It seems to be there 24-7. http://www.qsl.net/k2vco/160noise.jpg Another view with a wider span: http://www.qsl.net/k2vco/160noise1.jpg -- 73, Vic, K2VCO Fresno CA 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 Get Free Email with Video Mail Video Chat! http://www.juno.com/freeemail?refcd=JUTAGOUT1FREM0210 __ 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
[Elecraft] [K3] macros for WSPR
Well, forgive me, but I'm being lazy - I haven't tried writing macros yet, but want two to set the rig for WSPR and return to my 'normal' modes. I wish to have one to : switch to line in (instead of rear mic) drop pwr to 1w drop monitor to 0 (or turn it off) drop AF on RX1 to 0 and another to switch to rear mic set pwr to 100w set monitor to 22 I'm hoping some kind sole will have such a macro or would write one, which I can use and learn from at the same time. 73 de M0XDF (K3 #174, P3 #108, KX3 #???) It's not enough that we do our best; sometimes we have to do what's required. - Winston Churchill __ 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
Re: [Elecraft] Incredible noise tornado on 16om
It is also characteristic of the RFI produced by touch control devices, as used for lamps and such. Have you powered down various circuits in your home to see if one of them is the culprit? I have had touch-control RFI from as far away as several houses distance. Another source of this type noise is proportional-control aquarium tank heaters, also battery chargers. Drifting frequency is often a give-away of interference from a touch-control device. Can you hear it on a battery powered portable AM radio? If so, try walking around your house and around your neighborhood. The loop antenna inside the radio will give good directional indication when pointed at or 180 degrees away from the noise source. Test on an AM radio station of known direction (preferably from the next town) to get an idea of how to interpret loop patterns. Let us know what you discover - Jim, KL7CC riese-k3...@juno.com wrote: I see the same thing on 75 and it tends to drift and appears every 10 Kh or so )(#$*%_)(#*% switching powersupplys sounds like power line noise Bob K3DJC On Wed, 09 Nov 2011 16:29:16 -0800 Vic K2VCO k2vco@gmail.com writes: Has anyone ever seen anything like this? It seems to be there 24-7. http://www.qsl.net/k2vco/160noise.jpg Another view with a wider span: http://www.qsl.net/k2vco/160noise1.jpg -- 73, Vic, K2VCO Fresno CA 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 Get Free Email with Video Mail Video Chat! http://www.juno.com/freeemail?refcd=JUTAGOUT1FREM0210 __ 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 __ 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
[Elecraft] (OT) EFHW Vertical Antenna
Every so often, someone posts an inquiry here seeking info on a portable -or otherwise 'non-permanent'- antenna for use either in the field or at home under some restrictive conditions. I'd like to offer the following Youtube demonstration to such listers who might be interested. It's not perfect but it sure held its own in this 'shootout' against a 135' OCF. http://www.youtube.com/watch?v=uWkpQ785Pjo 73, Stan WB2LQF KX1 #2411K1#2994K2# 6980K3#5244 K9 #1 (Cocoa the Chihuahua) Everything is QRP, even the dog. __ 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
Re: [Elecraft] SDR-IF and I/Q questions
On Wed, Nov 9, 2011 at 5:51 PM, Don Wilhelm w3...@embarqmail.com wrote: if you want a KISS panadapter display, use Rocky, but if you want more extended rig control, get involved with the crowd that is continually asking the authors for additional functions... == Somewhere along the line there may be a third kind of SDR software: a program that displays a nice panadapter and provides solid CAT control for 2 VFOs, but nothing else. In other words, the routines devoted to signal processing, filtering, etc. would be left out, and those functions would be left to specialized computing functionality inside the radio, as is done with the KX3. It will be cool if the arrival of the KX3 provides the motivation for some brave soul (or group) to gut-rehab one of the open-source programs such as PSDR so that it fits this description. Benefits would include a much reduced CPU load and elimination of latency problems. The most important benefit, however, would be that cutting out the massive code bloat might make it possible for somebody to actually get a handle on the mysterious interdependencies and internal conflicts inside the code that cause bugs: disappearing config files, unexplained shutdowns, loss of functionality, etc. The traditional excuse for these phenomena is to blame the OS, the computer, or the user, but we all know better. The reality is that when you have a huge, open-ended project, with rubbery design specs, with many hands contributing independently, partly object-oriented and partly not, partly written in native code and partly in interpreted code, partly tested and partly not, you are going to have problems. A smaller piece of code with clear design objectives, unity of purpose, unity of design and coding standards, and clearly enunciated testing checkpoints, would be a really cool thing for the next generation of the ham station hardware/software combo. 73, Tony KT0NY -- http://www.isb.edu/faculty/facultydir.aspx?ddlFaculty=352 __ 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
[Elecraft] Off Thread Warning
Looking at Ebay just now and there are two new K2 radios, both listed with the same serial number and both with almost identical descriptions. Serial 6750 on both radios. Just FYI Listings are 290630747443 and 300620299703 Either that or I cannot read and am senile. K9FD/KH6 __ 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
Re: [Elecraft] Off Thread Warning
It's listed for sale on qrz.com as well by KI6YVN: http://forums.qrz.com/showthread.php?316834-Complete-Elecraft-K2-100-Station 73, Matt VK2ACL On 10/11/2011, at 3:58 PM, Merv Schweigert wrote: Looking at Ebay just now and there are two new K2 radios, both listed with the same serial number and both with almost identical descriptions. Serial 6750 on both radios. Just FYI Listings are 290630747443 and 300620299703 Either that or I cannot read and am senile. K9FD/KH6 __ 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 __ 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
Re: [Elecraft] Off Thread Warning
The listings both say the photographs are stock images. 73, Gary KJ7RT Sun City, AZ Fists #14460 NAQCC #3709 On Wed, Nov 9, 2011 at 9:58 PM, Merv Schweigert k...@flex.com wrote: Looking at Ebay just now and there are two new K2 radios, both listed with the same serial number and both with almost identical descriptions. Serial 6750 on both radios. Just FYI Listings are 290630747443 and 300620299703 Either that or I cannot read and am senile. K9FD/KH6 __ 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 __ 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
Re: [Elecraft] SDR-IF and I/Q questions
Don et al Don't think it's mentioned on the forum, but does any of the logging software like wintest etc, interconnect freely with naP3 beta!! Ken..G0ORH Sent from my iPhone On 9 Nov 2011, at 23:51, Don Wilhelm w3...@embarqmail.com wrote: Richard, I believe you are mixing two things (given the last paragraph of your post). The SDR software application has no connection with the serial or USB connection to the transceiver - the I/Q outputs are fed to the soundcard and those alone can provide a panadapter type display with no serial connection at all. The rub comes in when the users also want the frequency accurately displayed on the panadapter display and want to click-to-QSY or 'click-to-transmit or do any other type of rig control from the computer keyboard. That is where the serial port connection comes into play. The authors of SDR applications fall prey to a variety of requests for rig control based on the display - the only one that seems to have not fallen prey to those requests is Rocky which does not have all those bells and whistles. So IMHO, if you want a KISS panadapter display, use Rocky, but if you want more extended rig control, get involved with the crowd that is continually asking the authors for additional functions or changes to the functions and make your own requests to satisfy your particular wants and needs. There is a new kid on the block on the LP-Pan reflector which targets the K3 functions (the author has a K3 and develops for the functions he particularly desires -- it should work nicely with the KX3 as well) - that newest application is NaP3, and you can get in on the beta. comments too - perhaps some of your desires will be accepted. 73, Don W3FPR On 11/8/2011 3:36 PM, Richard Fjeld wrote: Basically, I'm disappointed with the software. I don't mind installing and setting some options for my type of equipment, but from there-on I expect it to function conveniently and nearly as well as a P3. The question for today is; have any Elecraft users achieved that goal with a computerized pan-adapter? And if so, with what software? And if so, do you use a USB to Serial, or straight Serial? __ 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 __ 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
