And just like a good dog, it comes when called! H Sent from my iPad
> On Feb 16, 2016, at 11:01 AM, [email protected] wrote: > > Send Elecraft mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.qth.net/mailman/listinfo/elecraft > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Elecraft digest..." > > > Today's Topics: > > 1. Re: New Purchase Sanity Check (Edward R Cole) > 2. Elecraft 200W Directional Coupler For Sale (Michael Raskin) > 3. Re: New Purchase Sanity Check (Don Wilhelm) > 4. K3 with Amertiron amp (Scott James) > 5. K3 with Amertiron amp (Scott James) > 6. KX3 Macro Commands; Selecting PSK31 or PSK63 > ([email protected]) > 7. Re: Wanted: K2 Nifty Guide (EricJ) > 8. Re: KX3 Macro Commands; Selecting PSK31 or PSK63 (tomb18) > 9. Re: CQ WPX RTTY Contest (Bill Frantz) > 10. Re: CQ WPX RTTY Contest (Bill Frantz) > 11. K3 with Amertiron amp (Jan Ditzian) > 12. Re: KX3 pedestrian mobile? (Larry D. Warner) > 13. KPA500 problem (Mike Crownover) > 14. Re: KX3 pedestrian mobile? (Walter Underwood) > 15. Re: Lots of RTTY activity right now -- great time to try > FSK-D mode on your K3/K3S/KX3 (David Blake) > 16. Re: Microham Microkeyer II, RFI in mike with my K3 > ([email protected]) > 17. Re: Microham Microkeyer II, RFI in mike with my K3 (Jim Brown) > 18. CW-Skimmer Frequency Offset (Hajo Dezelski) > 19. Re: CW-Skimmer Frequency Offset (Hajo Dezelski) > 20. Re: Microham Microkeyer II, RFI in mike with my K3 > (Joe Subich, W4TV) > 21. Re: KPA500 problem (Mike Crownover) > 22. Re: K3 with Amertiron amp (Don Wilhelm) > 23. Re: KPA500 problem (AJ8MH Radio) > 24. Re: Microham Microkeyer II, RFI in mike with my K3 ([email protected]) > 25. Re: KPA500 problem (Mike Crownover) > 26. Re: KPA500 problem (Jack Brindle) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 15 Feb 2016 13:28:26 -0900 > From: Edward R Cole <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] New Purchase Sanity Check > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii"; format=flowed > > Don, > > OK. Makes me curious what is happening with my KX3+KXPA-100 (without KAT100). > > My KXPA-100 reaches 100w with 3.9w*drive from the KX3. If, when you > state 10-12w, you mean output of the KXPA-100, I'm not sure I can get > it down that low. The KXPA-100 LED PWR meter reads 25w with only > 0.1w drive from the KX3. > > I do have the KX3 ATU which is normally run when operating. Input > SWR looks like 1.1 into the KXPA-100 (haven't bypassed the ATU to see > if this is normal SWR). > > *Note requires 8w drive on 6m for 80w output. Exceeding 8w will > activate auto-attenuator in the KXPA-100. > > 73, Ed - KL7UW > > --------------- > From: Don Wilhelm <[email protected]> > To: Michael Greb <[email protected]>, elecraft > <[email protected]> > Subject: Re: [Elecraft] New Purchase Sanity Check > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > Mike, > > Yes, that is the way it works - and it is automatic. > > 73, > Don W3FPR > > > > 73, Ed - KL7UW > http://www.kl7uw.com > "Kits made by KL7UW" > Dubus Mag business: > [email protected] > > > > ------------------------------ > > Message: 2 > Date: Mon, 15 Feb 2016 17:59:59 -0500 > From: "Michael Raskin" <[email protected]> > To: "elecraft" <[email protected]> > Subject: [Elecraft] Elecraft 200W Directional Coupler For Sale > Message-ID: <0B9054E5403F45A496EA1A55841EF413@MRPC> > Content-Type: text/plain; charset="iso-8859-1" > > For Sale: Elecraft 200W Directional Coupler for P3. Brand new in the box. > DCHF-200 1.8-54 MHz, 0.1- 200W Comes with sensor cable. $55, which > includes free shipping CONUS. Mike, W4UM > > > ------------------------------ > > Message: 3 > Date: Mon, 15 Feb 2016 18:02:11 -0500 > From: Don Wilhelm <[email protected]> > To: Edward R Cole <[email protected]>, [email protected] > Subject: Re: [Elecraft] New Purchase Sanity Check > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > Ed, > > I did not state 10-12w. > I think your KX3 and KXPA100 is working OK. > The KXPA100 was designed to be driven to full output with up to 5 watts > of drive (it works with the Yaesu FT-817). > The drive power specified is 3.5 to 7 watts, and you fall right in that > range except for 6 meters. > > 73, > Don W3FPR > >> On 2/15/2016 5:28 PM, Edward R Cole wrote: >> Don, >> >> OK. Makes me curious what is happening with my KX3+KXPA-100 (without >> KAT100). >> >> My KXPA-100 reaches 100w with 3.9w*drive from the KX3. If, when you >> state 10-12w, you mean output of the KXPA-100, I'm not sure I can get >> it down that low. The KXPA-100 LED PWR meter reads 25w with only 0.1w >> drive from the KX3. >> >> I do have the KX3 ATU which is normally run when operating. Input SWR >> looks like 1.1 into the KXPA-100 (haven't bypassed the ATU to see if >> this is normal SWR). >> >> *Note requires 8w drive on 6m for 80w output. Exceeding 8w will >> activate auto-attenuator in the KXPA-100. >> >> 73, Ed - KL7UW >> >> --------------- >> From: Don Wilhelm <[email protected]> >> To: Michael Greb <[email protected]>, elecraft >> <[email protected]> >> Subject: Re: [Elecraft] New Purchase Sanity Check >> Message-ID: <[email protected]> >> Content-Type: text/plain; charset=windows-1252; format=flowed >> >> Mike, >> >> Yes, that is the way it works - and it is automatic. >> >> 73, >> Don W3FPR >> >> >> >> 73, Ed - KL7UW >> http://www.kl7uw.com >> "Kits made by KL7UW" >> Dubus Mag business: >> [email protected] >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > > > > ------------------------------ > > Message: 4 > Date: Tue, 16 Feb 2016 00:05:28 +0000 (UTC) > From: Scott James <[email protected]> > To: "[email protected]" <[email protected]>, > "[email protected]" <[email protected]> > Subject: [Elecraft] K3 with Amertiron amp > Message-ID: > <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > I am getting my K3S soon. Have been using Yaesu 1000MP and Ameritron AL82 > with 1000MP set to semi QSK and it is OK. > To tun a K3 into an ANertiron or any non Elecraft amp semi qsk, are there any > setting I have to make and where would I find them? > Also, is the connector input for key out RCA connector and is the jack for > the paddle an RCA. Or? > > Tks much, > Gerry > > > ------------------------------ > > Message: 5 > Date: Tue, 16 Feb 2016 00:05:28 +0000 (UTC) > From: Scott James <[email protected]> > To: "[email protected]" <[email protected]>, > "[email protected]" <[email protected]> > Subject: [Elecraft] K3 with Amertiron amp > Message-ID: > <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > I am getting my K3S soon. Have been using Yaesu 1000MP and Ameritron AL82 > with 1000MP set to semi QSK and it is OK. > To tun a K3 into an ANertiron or any non Elecraft amp semi qsk, are there any > setting I have to make and where would I find them? > Also, is the connector input for key out RCA connector and is the jack for > the paddle an RCA. Or? > > Tks much, > Gerry > > > ------------------------------ > > Message: 6 > Date: Mon, 15 Feb 2016 17:13:24 -0700 > From: [email protected] > To: "'[email protected]'" <[email protected]> > Subject: [Elecraft] KX3 Macro Commands; Selecting PSK31 or PSK63 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > > > As you may be aware, a new Firmware Revision is available for the > KX3; MCU 2.38 / DSP 1.37, 1-3-2016. > > PSK63 is now available but I need to know how one would select either > PSK31 or PSK63 from a macro. > > As the K3 / K3S already has PSK31 and PSK63, a quick perusal of the > Programmers Instructions yielded no dedicated / direct instruction to > accomplish this in a Macro. > > I would think this issue has already been addressed. > > Tnx for your assistance. John KN4XX > > > ------------------------------ > > Message: 7 > Date: Mon, 15 Feb 2016 16:16:57 -0800 > From: EricJ <[email protected]> > To: [email protected], [email protected] > Subject: Re: [Elecraft] Wanted: K2 Nifty Guide > Message-ID: <[email protected]> > Content-Type: text/plain; charset="windows-1252"; format=flowed > > Thanks, Don. This might be all I need. I wanted something to leave in > the travel trailer. I'm going to laminate the WF4I one on your site and > mount it permanently. > > There are a couple of omissions and they happen to be the ones that > drive me nuts in camp. That's when I usually end up bumping something, > not knowing what I did. Usually, it is a flashing annunciator. He > mentions using VOX to enter Test mode in CW, but doesn't mention that > the C flashes in Test. Also the A and B annunciators flash when in > Split. He does mention the flashing RIT and XIT annunciators. > > It might just be the way I use a quick reference. Usually, I know the > menu items I use for CW so I rarely have to look something up that I > want to do. Instead, I use a QR when I've done something inadvertently > and get unknown annunciators or error code. So if I see the C flashing, > I have no idea what it could be. I was looking for something that would > tell me it means I'm in Test mode, not something that tells me how to > select Test mode. hi. > > Anyway, thanks for the link. Your site is a treasure for us K2 holdouts. > > Eric > KE6US > > > >> On 2/15/2016 12:49 PM, Don Wilhelm wrote: >> Eric and anyone else interested, >> >> I don't have a Nifty Guide, but as an alternative, you may want to >> download the K2 Quick Reference from my website www.w3fpr.com. >> Look near the bottom of the opening page. >> >> 73, >> Don W3FPR >> >>> On 2/15/2016 1:52 PM, EricJ wrote: >>> The K2 Nifty Guide is out of print. >>> >>> Anyone have one left over from upgrading to K3? > > > > ------------------------------ > > Message: 8 > Date: Mon, 15 Feb 2016 19:24:04 -0500 > From: tomb18 <[email protected]> > To: [email protected], "'[email protected]'" > <[email protected]> > Subject: Re: [Elecraft] KX3 Macro Commands; Selecting PSK31 or PSK63 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > It would be great but not yet selectable in firmware. Hopefully > soon.Tomva2fsq.com? > > > Sent from my Samsung Galaxy smartphone.-------- Original message > --------From: [email protected] Date: 2016-02-15 7:13 PM (GMT-05:00) > To: "'[email protected]'" <[email protected]> Subject: > [Elecraft] KX3 Macro Commands; Selecting PSK31 or PSK63 > > > As you may be aware, a new Firmware Revision is available for the > KX3; MCU 2.38 / DSP? 1.37,? 1-3-2016. > > PSK63 is now available but I need to know how one would select either > PSK31 or PSK63 from a macro. > > As the K3 / K3S already has PSK31 and PSK63, a quick perusal of the > Programmers Instructions? yielded no dedicated / direct instruction to > accomplish this in a Macro. > > I would think this issue has already been addressed. > > Tnx for your assistance. John KN4XX > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > > ------------------------------ > > Message: 9 > Date: Mon, 15 Feb 2016 16:27:45 -0800 > From: Bill Frantz <[email protected]> > To: Elecraft Discussion List <[email protected]> > Subject: Re: [Elecraft] CQ WPX RTTY Contest > Message-ID: > <r470Ps-10113i-F4345388176A46AAA00B03BAC4179EEA@Williams-MacBook-Pro.local> > > Content-Type: text/plain; charset=UTF-8; format=flowed > > Good idea. I wish I had heard about on Friday HIHI. (cocoaModem > will also separately decode the left and right channels.) > > 73 Bill AE6JV > >> On 2/15/16 at 8:40 AM, [email protected] (Rick Prather) wrote: >> >> BTW, CCM also has the benefit of being able to use both VFO's and tuning >> for the next call while I wait for the "NR?'s and AGN?'s" to be finished >> on the main receiver. That way is I have a secondary station tuned in on >> the SUB I can do a quick A/B switch to work the next one. > > ------------------------------------------------------------------------ > Bill Frantz |"Insofar as the propositions of mathematics > refer to > 408-356-8506 | reality, they are not certain; and insofar > they are > www.pwpconsult.com | certain, they do not refer to reality.? > -- Einstein > > > > ------------------------------ > > Message: 10 > Date: Mon, 15 Feb 2016 17:19:46 -0800 > From: Bill Frantz <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] CQ WPX RTTY Contest > Message-ID: > <r470Ps-10113i-0BD66AA21E584EB4B240D0839FB365D7@Williams-MacBook-Pro.local> > > Content-Type: text/plain; charset=UTF-8; format=flowed > > More information: RUMlogNG seems to be part of the problem. > Today I was able to relax and watch decode of a RTTY (KL7RST > running contacts). I noticed that the K3 was doing a good job of > decoding the RTTY at all times (but wow, the screen is small). > The P3/SVGA was losing characters making the decode unreadable, > as was RUMlogNG. If I quit RUMlogNG, the P3/SVGA stopped > dropping characters and seemed to be showing the same decode as > the K3. > > Perhaps someone who know how the characters get from the K3 to > the P3 can shed some light on what might be going on. > > I'll ask Tom, DL2RUM in his support forum. > > 73 Bill AE6JV > >> On 2/14/16 at 4:51 PM, [email protected] (Bill Frantz) wrote: >> >> I just finished casual operation in the contest. I spent >> considerable time trying to find the best way to do RTTY with RUMlogNG. >> >> RUMlogNG can use the RTTY support built in to the K3 via the >> RS-232 link. It works well for transmit, although given the >> number of times I had to repeat my call, I wonder if there was >> a slight frequency difference between the audio coming in to >> the computer thru the sound card from the radio and the >> transmit frequency. It seemed like there was enough of a >> difference that the running OP had to fine tune my signal to >> decode it. >> >> I did center the CWT tuning indicator on the K3, and when I >> turned on Dual PB, the computer was getting the signal on the >> right frequency. >> >> My big problem was on receive. I never got the radio to cleanly >> decode. It missed almost all the call signs, regardless of >> strength of the signal. I tried using fldigi, which did work, >> and cocoaModem which seemed to decode better than fldigi. I >> ended up using cocoaModem and logging manually. (Next time I'll >> probably steal the VGA screen from the P3 and use it as a >> second screen on the computer so I can see all of both programs windows.) >> >> The question is, what am I doing wrong with getting decoding to work on the >> K3? > > -------------------------------------------------------------- > Bill Frantz | There are now so many exceptions to the > 408-356-8506 | Fourth Amendment that it operates only by > www.pwpconsult.com | accident. - William Hugh Murray > > > > ------------------------------ > > Message: 11 > Date: Mon, 15 Feb 2016 21:37:26 -0500 > From: Jan Ditzian <[email protected]> > To: [email protected] > Subject: [Elecraft] K3 with Amertiron amp > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > Gerry, > > I use a K3 with an AL82. I suspect that the K3s is like the K3. > > The setting for semi-break-in is to put the K3 into CW mode and then > repeatedly press & hold the QSK switch until you see the word SEMI in the > display. > > The connector for key out to operate the linear is an RCA female labeled key > out, so the standard RCA male-to-male cable works fine between the rig and > the amp. The paddle and key each require a standard, old-fashioned, large, > phone plug. > > If you put the rig into semi-break-in mode on a given band, then go to SSB, > you can turn up the CW speed and use the keyer to generate dots while the K3 > is in SSB mode, as you use your output meter to tune up into your dummy load > without having to operate with a steady carrier. This is the cheap ham's > "pecker." > > I have been quite pleased with the operation of the AL-82 and the K3. > > 73, > > Jan, KX2A > > >> I am getting my K3S soon. Have been using Yaesu 1000MP and Ameritron AL82 >> with 1000MP set to semi QSK and it is OK. >> To tun a K3 into an ANertiron or any non Elecraft amp semi qsk, are there >> any setting I have to make and where would I find them? >> Also, is the connector input for key out RCA connector and is the jack for >> the paddle an RCA. Or? >> >> Tks much, >> Gerry > > > > ------------------------------ > > Message: 12 > Date: Mon, 15 Feb 2016 18:50:07 -0800 > From: "Larry D. Warner" <[email protected]> > To: <[email protected]> > Subject: Re: [Elecraft] KX3 pedestrian mobile? > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > If you want pedestrian mobile, look online at 'phone and radio chest pack'. > Just do a web search. There are many out there to use. I volunteer with > Search and Rescue and there are as many examples of chest packs as there are > volunteers. All sizes and shapes. > > > > I'm a new HAM and a new KX3 owner, but, my experience with the KS3 portable > using the small 2M antenna Elecraft sells is not very good. The RF pickup > in the mike cord over rides the audio and it is unintelligible. Me and > Elmer tried some ferrite cores around the mike cord but it didn't improve it > enough to really be noticeable. I would like to use the KX3 this way in my > search and rescue but it isn't working out that way. If you find a way to > do it, let me know what that is. > > > > 73 > > > > Larry > > KG7ZSB > > > > "I'll see you on the radio." > > Charles Kuralt > > > > > > ------------------------------ > > Message: 13 > Date: Mon, 15 Feb 2016 22:11:48 -0600 > From: "Mike Crownover" <[email protected]> > To: <[email protected]> > Subject: [Elecraft] KPA500 problem > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > I just bought a lightly used KPA500. It arrived from the seller, well packed > and complete with cables, manuals, etc. I turned the amp on, interfaced it > with my K3, keyed the radio and the KPA500 immediately shut-off. No fault > light or error code, nothing. It shuts down just as if I had pressed the > power button, the fan runs, etc... The antenna is resonant 1:1, I've lowered > input power to 10 watts, swapped coax, hooked it up to another K3, used RCA > to RCA cable, the Elecraft cable, etc.. When down to 10 watts input, I can > tap the paddle like a straight key lightly and the amp works, but put two > dits together and it shuts down. > > > > Has anyone had an experienced anything like this. I keep thinking this has > to be something simple. > > > > Mike AD5A > > > > ------------------------------ > > Message: 14 > Date: Mon, 15 Feb 2016 21:47:58 -0800 > From: Walter Underwood <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] KX3 pedestrian mobile? > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > I?ve thought this ?Dozer Chest Harness? might work for the KX3, depending on > where the straps are. > > http://www.truenorthgear.com/catalog/products/accessories/dozer-chest-harness > <http://www.truenorthgear.com/catalog/products/accessories/dozer-chest-harness> > > The 2m module in the KX3 is probably best for SSB, CW or other non-FM modes. > It is hard to beat a modern 2m HT for 2m FM, either on price or performance. > A Yaesu FT-60R costs less and puts out about double the power. > > wunder > K6WRU > Walter Underwood > CM87wj > http://observer.wunderwood.org/ (my blog) > >> On Feb 15, 2016, at 6:50 PM, Larry D. Warner <[email protected]> wrote: >> >> If you want pedestrian mobile, look online at 'phone and radio chest pack'. >> Just do a web search. There are many out there to use. I volunteer with >> Search and Rescue and there are as many examples of chest packs as there are >> volunteers. All sizes and shapes. >> >> >> >> I'm a new HAM and a new KX3 owner, but, my experience with the KS3 portable >> using the small 2M antenna Elecraft sells is not very good. The RF pickup >> in the mike cord over rides the audio and it is unintelligible. Me and >> Elmer tried some ferrite cores around the mike cord but it didn't improve it >> enough to really be noticeable. I would like to use the KX3 this way in my >> search and rescue but it isn't working out that way. If you find a way to >> do it, let me know what that is. >> >> >> >> 73 >> >> >> >> Larry >> >> KG7ZSB >> >> >> >> "I'll see you on the radio." >> >> Charles Kuralt >> >> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > > > > ------------------------------ > > Message: 15 > Date: Tue, 16 Feb 2016 06:24:17 +0000 (UTC) > From: David Blake <[email protected]> > To: Wayne Burdick <[email protected]>, Elecraft Reflector > <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [Elecraft] Lots of RTTY activity right now -- great time > to try FSK-D mode on your K3/K3S/KX3 > Message-ID: > <[email protected]> > Content-Type: text/plain; charset=UTF-8 > > I tried it and it worked FB, only thing for an old CW op it was difficult > gettingused to sending a new CW character? dit dit dah dah with terminates > theRTTY diddle immediately rather than to have it continue 5 seconds afterthe > last character completes. > 73Dave -N4DB-? K3s #10223 > > > On Friday, February 12, 2016 9:05 PM, Wayne Burdick <[email protected]> > wrote: > > > FSK-D mode is perfect for casually dropping in on RTTY contests. > > To receive RTTY directly on the VFO B display: > > ? 1. Tap DATA > ? 2. Rotate VFO B to select FSK-D > ? 3. Tap any switch to exit DATA setup > ? 4. Hold TEXT DEC to turn on text decode > ? 5. If you were using DISP to look at supply voltage, etc., > ? ? ? that will override text decode, so tap DISP to exit > > Then just tune in RTTY signals and watch the decoded text scroll by. > > To transmit, you can use either a keyer paddle attached directly to the > radio, or a keyboard attached to a PX3 or P3, or use your PC keyboard from > within K3 Utility or KX3 Utility. > > Happy hunting! > > Wayne > N6KR > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > > > > > ------------------------------ > > Message: 16 > Date: Tue, 16 Feb 2016 06:43:37 +0000 > From: <[email protected]> > To: <[email protected]>, <[email protected]> > Subject: Re: [Elecraft] Microham Microkeyer II, RFI in mike with my K3 > Message-ID: <67E5CDC47D8B374AAE23787EF65563F245A131@smucm55b> > Content-Type: text/plain; charset="utf-8" > > Hi Guy, > > Fully agree with your statement, but as stated I have chokes in all Coax, > rotor and control cables. > I am using double shielded USB cables, extra grounding for each device?no > idea what else could be don. > Regarding the 2 Ohm, there is a recommendation by Microham to check that the > USB / Molex connector resistance should not exceed 5 Ohm otherwise your PC > has a USB/Chassis grounding problem. > > I had RFI in the Microham already with 300Wtts?now I can run 1200Watts > without any problems with is over the legal limit over here anyway! > > Several HAMs observed problems with the Microham and in combination with > K3/other rigs. > The cheap homebrew USB/Soundcard interface works now, that?s all what counts. > > 73 > Bernie > DL5RDP > > Von: [email protected] [mailto:[email protected]] Im Auftrag von Guy Olinger > K2AV > Gesendet: Montag, 15. Februar 2016 18:15 > An: Horst Bernhard, MZ-LR; Elecraft Reflector > Betreff: [Elecraft] Microham Microkeyer II, RFI in mike with my K3 > > Hi Bernie, > > If you are running QRO over your roof, your RFI proofing needs to be perfect. > Your situation is only exceeded in nastiness by being next door to a 50 kW AM > station and maybe not then. Your induced common mode RF voltages on > conductors can be double and triple the desired signal voltages on the cables > and ridiculously more than microphone voltages. > > One CAN get lucky and get by, but if one does it's only by dumb blind luck > and any change to cable routing or position and count of station equipment > can disable or polute electronic functions. > > If you succumb to the temptation to attribute the changes to the last thing > changed or moved, you will be sent down the rabbit hole to join company with > Alice and the Mad Hatter where nothing makes sense any more. This can include > complaints to manufacturers straight from Wonderland requiring apologies > afterward. Been there, done that. Know whereof I speak. > > It is quite probable that replacing the box changed cable specifics. Any > connection that is not a tenth of an ohm or less needs to be replaced or > repaired. I have no idea where you got 2 ohms as a satisfactory connection > resistance. Maybe the USB signal itself will tolerate that under otherwise > non-stressed circumstances but it's far away out of bounds for RFI proofing. > > In your case, QRO on the roof, you need to take maximum anti-RF measures on > **ALL** conductors in the shack. Otherwise just changing orientation of > cables may remove or incite RFI, or worse makes RFI intermittent leading to > suspicions of poltergeist. > > I have finally gotten to the point where all retail audio cables need to be > replaced with soldered coax or shielded pairs with WOVEN shields. ESPECIALLY > audio cables terminated in RCA plugs which typically have the cheapest > shields known to man. No retail manufacturer is testing them for RFI > susceptibility in rooftop QRO conditions. > > There is a good selection of shielded pair and coax cable with Teflon > dielectric/insulation and woven shields easily soldered to *quality* RCA > plugs or other connectors without melting the wire. > > I know that QRO on the roof is all that's available for many folks. Just > understand that's the very stiffest possible demand on all RFI proofing > issues. No cheapies, no short cuts, no omissions allowed in the protocol. > > 73, Guy K2AV > > On Monday, February 15, 2016, > <[email protected]<javascript:_e(%7B%7D,'cvml','[email protected]');>> > wrote: > Dear all, > > just an update..the Microham Microkeyer II has definitely a problem with RF! > I replaced the Microkeyer with a homebrew USB and soundcard interface (Built > in 2008) and made new cable distribution box..And the problems are gone. > > I have S-NO 280 on the microkeyer..hope the newer ones are better. But > definitely not my kind of solution for that cost! > > 73s > Bernie > DL5RDP > > -----Urspr?ngliche Nachricht----- > Von: Joe Subich, W4TV [mailto:[email protected]] > Gesendet: Freitag, 12. Februar 2016 14:15 > An: [email protected]<mailto:[email protected]> > Betreff: Re: [Elecraft] Microham Microkeyer II, RFI in mike with my K3 > > >> As I recall, I used pin 7 for the mic ground and pin 8 for the PTT >> ground. In a brief test it worked ok into a dummy load. Is this not >> correct? > > That is correct although with the K3/K3S since the Elecraft mic RFI > change it should not matter (both pin 7 and pin 8 are connected to > the "ground" foil on the front panel circuit board). > > Early K3 front panels included an RF choke in the mic *and* PTT returns > which made the "pin 1 problem" much worse. With the RF choke removed > (bypassed) the issue is significantly reduced but there may still be a > problem if the overall station installation has any "RF on the coax." > > 73, > > ... Joe, W4TV > > >> On 2/12/2016 7:59 AM, [email protected]<mailto:[email protected]> wrote: >> This week I wired rewired my MicroHAM Micro2R cables for K3S's. As I >> recall, I used pin 7 for the mic ground and pin 8 for the PTT ground. In a >> brief test it worked ok into a dummy load. Is this not correct? >> >> John KK9A > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected]<mailto:[email protected]> > > > -- > Sent via Gmail Mobile on my iPhone > > ------------------------------ > > Message: 17 > Date: Mon, 15 Feb 2016 23:04:35 -0800 > From: Jim Brown <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Microham Microkeyer II, RFI in mike with my K3 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > Bernhard, > > It's NOT common mode, it's the simple fact that the audio interface is a > mess. The antenna on the roof transmitting high power is doing its job, > putting a lot of RF in the shack. If it didn't (based on proxmiity), it > would be a lousy antenna. The problem is that the interface (wiring plus > electronics plus termination) does not reject RF because it fails to > conform to fundamental principles that reject RF. That is, every cable > must be a transmission line, every shield must be terminated at the > shielding enclosure of the equipment at both ends, and every equipment > chassis must have a short, fat, bond to every other equipment chassis. > Yes, the signal is audio, but the interference is RF, and it takes > proper transmission line techniques to reject that RF. > > I have VERY limited experience with MicroHam, but the jumble of wires > that I encountered with the MicroHam unit at W6OAT violated all > principles of good engineering practice for operation in a high RF > environment. It was nothing more than a multipin connector with a lot of > wires soldered to that connector. Indeed, it would darn near impossible > to do it right without starting from scratch withunit a properly made > cable from the MicroHam unit to the radio, with each signal path having > its own coaxial cable. > > I have no idea if that describes ALL MicroHam units, but it does > describe Rusty's. And don't ask the model number -- I was so disgusted > by what I saw that I just rolled my eyes. > > 73, Jim K9YC > >> On Mon,2/15/2016 10:43 PM, [email protected] wrote: >> Hi Guy, >> >> Fully agree with your statement, but as stated I have chokes in all Coax, >> rotor and control cables. >> I am using double shielded USB cables, extra grounding for each device?no >> idea what else could be don. >> Regarding the 2 Ohm, there is a recommendation by Microham to check that the >> USB / Molex connector resistance should not exceed 5 Ohm otherwise your PC >> has a USB/Chassis grounding problem. >> >> I had RFI in the Microham already with 300Wtts?now I can run 1200Watts >> without any problems with is over the legal limit over here anyway! >> >> Several HAMs observed problems with the Microham and in combination with >> K3/other rigs. >> The cheap homebrew USB/Soundcard interface works now, that?s all what counts. >> >> 73 >> Bernie >> DL5RDP >> >> Von: [email protected] [mailto:[email protected]] Im Auftrag von Guy Olinger >> K2AV >> Gesendet: Montag, 15. Februar 2016 18:15 >> An: Horst Bernhard, MZ-LR; Elecraft Reflector >> Betreff: [Elecraft] Microham Microkeyer II, RFI in mike with my K3 >> >> Hi Bernie, >> >> If you are running QRO over your roof, your RFI proofing needs to be >> perfect. Your situation is only exceeded in nastiness by being next door to >> a 50 kW AM station and maybe not then. Your induced common mode RF voltages >> on conductors can be double and triple the desired signal voltages on the >> cables and ridiculously more than microphone voltages. >> >> One CAN get lucky and get by, but if one does it's only by dumb blind luck >> and any change to cable routing or position and count of station equipment >> can disable or polute electronic functions. >> >> If you succumb to the temptation to attribute the changes to the last thing >> changed or moved, you will be sent down the rabbit hole to join company with >> Alice and the Mad Hatter where nothing makes sense any more. This can >> include complaints to manufacturers straight from Wonderland requiring >> apologies afterward. Been there, done that. Know whereof I speak. >> >> It is quite probable that replacing the box changed cable specifics. Any >> connection that is not a tenth of an ohm or less needs to be replaced or >> repaired. I have no idea where you got 2 ohms as a satisfactory connection >> resistance. Maybe the USB signal itself will tolerate that under otherwise >> non-stressed circumstances but it's far away out of bounds for RFI proofing. >> >> In your case, QRO on the roof, you need to take maximum anti-RF measures on >> **ALL** conductors in the shack. Otherwise just changing orientation of >> cables may remove or incite RFI, or worse makes RFI intermittent leading to >> suspicions of poltergeist. >> >> I have finally gotten to the point where all retail audio cables need to be >> replaced with soldered coax or shielded pairs with WOVEN shields. ESPECIALLY >> audio cables terminated in RCA plugs which typically have the cheapest >> shields known to man. No retail manufacturer is testing them for RFI >> susceptibility in rooftop QRO conditions. >> >> There is a good selection of shielded pair and coax cable with Teflon >> dielectric/insulation and woven shields easily soldered to *quality* RCA >> plugs or other connectors without melting the wire. >> >> I know that QRO on the roof is all that's available for many folks. Just >> understand that's the very stiffest possible demand on all RFI proofing >> issues. No cheapies, no short cuts, no omissions allowed in the protocol. >> >> 73, Guy K2AV >> >> On Monday, February 15, 2016, >> <[email protected]<javascript:_e(%7B%7D,'cvml','[email protected]');>> >> wrote: >> Dear all, >> >> just an update..the Microham Microkeyer II has definitely a problem with RF! >> I replaced the Microkeyer with a homebrew USB and soundcard interface (Built >> in 2008) and made new cable distribution box..And the problems are gone. >> >> I have S-NO 280 on the microkeyer..hope the newer ones are better. But >> definitely not my kind of solution for that cost! >> >> 73s >> Bernie >> DL5RDP >> >> -----Urspr?ngliche Nachricht----- >> Von: Joe Subich, W4TV [mailto:[email protected]] >> Gesendet: Freitag, 12. Februar 2016 14:15 >> An: [email protected]<mailto:[email protected]> >> Betreff: Re: [Elecraft] Microham Microkeyer II, RFI in mike with my K3 >> >> >>> As I recall, I used pin 7 for the mic ground and pin 8 for the PTT >>> ground. In a brief test it worked ok into a dummy load. Is this not >>> correct? >> That is correct although with the K3/K3S since the Elecraft mic RFI >> change it should not matter (both pin 7 and pin 8 are connected to >> the "ground" foil on the front panel circuit board). >> >> Early K3 front panels included an RF choke in the mic *and* PTT returns >> which made the "pin 1 problem" much worse. With the RF choke removed >> (bypassed) the issue is significantly reduced but there may still be a >> problem if the overall station installation has any "RF on the coax." >> >> 73, >> >> ... Joe, W4TV >> >> >>> On 2/12/2016 7:59 AM, [email protected]<mailto:[email protected]> wrote: >>> This week I wired rewired my MicroHAM Micro2R cables for K3S's. As I >>> recall, I used pin 7 for the mic ground and pin 8 for the PTT ground. In a >>> brief test it worked ok into a dummy load. Is this not correct? >>> >>> John KK9A >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected]<mailto:[email protected]> >> >> >> -- >> Sent via Gmail Mobile on my iPhone >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > > > > ------------------------------ > > Message: 18 > Date: Tue, 16 Feb 2016 13:08:15 +0100 > From: Hajo Dezelski <[email protected]> > To: Elecraft Reflector <[email protected]> > Subject: [Elecraft] CW-Skimmer Frequency Offset > Message-ID: > <CACM_ObKoY2=z5ouwvtxkcks_kut4e1bv6wycvwb4nzntd++...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > Hello, > > using the Kx3 with CW skimmer and Aggregator 4.1 I got a message from RBN > " RBN calculated frequency offset has a maximum value of 1.6 kHz on 20 > meters. Please calibrate your skimmer to reduce this offset to a value > between -0.1 and -0.1 KHz." > When I change the mode on the Kx3 from cw to usb the difference is reduced > to 1,0 khz. > > Which mode should I use to be right on the frequency? > > Or should I change within skimmer the Audio IF to -1600 Hz. and use CW. My > frequency offset in cw is 600 Hz. > > ?Thanks for your advice? > > ?73 de? > > Hajo > ? DL1SDZ? > > > --- > Cela est bien dit, mais il faut cultiver notre jardin. > > > ------------------------------ > > Message: 19 > Date: Tue, 16 Feb 2016 14:33:29 +0100 > From: Hajo Dezelski <[email protected]> > To: Elecraft Reflector <[email protected]> > Subject: Re: [Elecraft] CW-Skimmer Frequency Offset > Message-ID: > <cacm_ob+zumhtjaiteppld86dnhuomsaswna-dnttt__nclr...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > Oh I forgot: > > I use the Softrock-IF as Radio (model). > > ?73 de > > Hajo > ? DL1SDZ? > > > --- > Cela est bien dit, mais il faut cultiver notre jardin. > >> On Tue, Feb 16, 2016 at 1:08 PM, Hajo Dezelski <[email protected]> wrote: >> >> Hello, >> >> using the Kx3 with CW skimmer and Aggregator 4.1 I got a message from RBN >> " RBN calculated frequency offset has a maximum value of 1.6 kHz on 20 >> meters. Please calibrate your skimmer to reduce this offset to a value >> between -0.1 and -0.1 KHz." >> When I change the mode on the Kx3 from cw to usb the difference is reduced >> to 1,0 khz. >> >> Which mode should I use to be right on the frequency? >> >> Or should I change within skimmer the Audio IF to -1600 Hz. and use CW. My >> frequency offset in cw is 600 Hz. >> >> ?Thanks for your advice? >> >> ?73 de? >> >> Hajo >> ? DL1SDZ? >> >> >> --- >> Cela est bien dit, mais il faut cultiver notre jardin. > > > ------------------------------ > > Message: 20 > Date: Tue, 16 Feb 2016 08:54:42 -0500 > From: "Joe Subich, W4TV" <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Microham Microkeyer II, RFI in mike with my K3 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8; format=flowed > > > Jim, > >> On 2/16/2016 2:04 AM, Jim Brown wrote: >> Indeed, it would darn near impossible to do it right without starting >> from scratch withunit a properly made cable from the MicroHam unit to >> the radio, with each signal path having its own coaxial cable. > > Please confine your comments to areas where you are knowledgeable. The > microHAM cables *DO* use a separate coaxial cable (or shielded twisted > pair) for each signal path. The shields are connected to the shell of > the respective connector on each end of the cable. With properly > designed transceivers, this design will minimize RFI issues. When good > engineering practice is used in the station installation - including > antenna systems - there should be no RFI problems with a properly > implemented microKEYER II, MK2R+ or micro2R system. > > Schematics for every microHAM cable are available from the support area > at www.microham.com or www.microHAM-USA.com/support.html. > > 73, > > ... Joe, W4TV > > >> On 2/16/2016 2:04 AM, Jim Brown wrote: >> >> Bernhard, >> >> It's NOT common mode, it's the simple fact that the audio interface is a >> mess. The antenna on the roof transmitting high power is doing its job, >> putting a lot of RF in the shack. If it didn't (based on proxmiity), it >> would be a lousy antenna. The problem is that the interface (wiring plus >> electronics plus termination) does not reject RF because it fails to >> conform to fundamental principles that reject RF. That is, every cable >> must be a transmission line, every shield must be terminated at the >> shielding enclosure of the equipment at both ends, and every equipment >> chassis must have a short, fat, bond to every other equipment chassis. >> Yes, the signal is audio, but the interference is RF, and it takes >> proper transmission line techniques to reject that RF. >> >> I have VERY limited experience with MicroHam, but the jumble of wires >> that I encountered with the MicroHam unit at W6OAT violated all >> principles of good engineering practice for operation in a high RF >> environment. It was nothing more than a multipin connector with a lot of >> wires soldered to that connector. Indeed, it would darn near impossible >> to do it right without starting from scratch withunit a properly made >> cable from the MicroHam unit to the radio, with each signal path having >> its own coaxial cable. >> >> I have no idea if that describes ALL MicroHam units, but it does >> describe Rusty's. And don't ask the model number -- I was so disgusted >> by what I saw that I just rolled my eyes. >> >> 73, Jim K9YC > > > ------------------------------ > > Message: 21 > Date: Tue, 16 Feb 2016 08:33:54 -0600 > From: "Mike Crownover" <[email protected]> > To: "'Mark E. Musick'" <[email protected]> > Cc: <[email protected]> > Subject: Re: [Elecraft] KPA500 problem > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Mark, > > Menu is set to K3 > > I've configured the amp 2 different ways, Key Out to PA Key, with 2 > different cables....no difference > > KPA500 AUX from K3 to KPA 500, with a known good cable, ( I have a K3 line > already) and the one that came with it....no difference. The band changes > all work fine. > > I'm certainly not a technical guy, but it seems to me the transfer from > radio to amp to key the amp is working fine. There is something after key > down that is shorting or somehow malfunctioning that shuts the amp down. I > can turn the power on the K3 down to 10 watts and tap the paddle and the amp > works, but put two dits in a row and it shuts down. > > I've inspected the inside for transformer damage and there is nothing > visible. The one lead that Elecraft gave me was that the screws for the tilt > bar were installed backwards, leading to the possibility of a short with the > transformer. I had to remove the transformer to reverse those screws, (they > sent me the procedure), but that wasn't the problem either. > > I didn't use a configuration that would require the interrupter. > > Thanks for your comments and thoughts. > > 73, > > Mike AD5A > > > > -----Original Message----- > From: Mark E. Musick [mailto:[email protected]] > Sent: Tuesday, February 16, 2016 1:11 AM > To: 'Mike Crownover' <[email protected]> > Subject: RE: [Elecraft] KPA500 problem > > Mike, > First connect the amp to a dummy load and see how it behaves. This > eliminates the antenna. Yes, I know the SWR is 1:1, but it eliminates it as > a possible problem and you are not putting a signal on the air causing QRM. > > Go into the KPA500 menu and make sure RADIO is set to K3. > > Are you using the key out of the K3 to the key in (PA KEY) on the amp for > keying the amp or are you keying the amp through the cable connected to the > K3 accessory socket? If you are using key out to key in, did you put the > keying interrupter for pin 11 on the K3 accessory jack? > > Try the basic cabling setup as described in the manual. > Just connect RF IN from the K3, RF OUT to the dummy load, KEY OUT on the K3 > to PA KEY on the KPA500. Leave the cable from the K3 accessory socket to the > KPA500 AUX socket disconnected. See if it operates in this configuration. > > Let us know the results. > > Mark Musick, WB9CIF > > > -----Original Message----- > From: Elecraft [mailto:[email protected]] On Behalf Of Mike > Crownover > Sent: Tuesday, February 16, 2016 4:12 AM > To: [email protected] > Subject: [Elecraft] KPA500 problem > > I just bought a lightly used KPA500. It arrived from the seller, well packed > and complete with cables, manuals, etc. I turned the amp on, interfaced it > with my K3, keyed the radio and the KPA500 immediately shut-off. No fault > light or error code, nothing. It shuts down just as if I had pressed the > power button, the fan runs, etc... The antenna is resonant 1:1, I've lowered > input power to 10 watts, swapped coax, hooked it up to another K3, used RCA > to RCA cable, the Elecraft cable, etc.. When down to 10 watts input, I can > tap the paddle like a straight key lightly and the amp works, but put two > dits together and it shuts down. > > > > Has anyone had an experienced anything like this. I keep thinking this has > to be something simple. > > > > Mike AD5A > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html Message > delivered to [email protected] > > > > > ------------------------------ > > Message: 22 > Date: Tue, 16 Feb 2016 10:10:26 -0500 > From: Don Wilhelm <[email protected]> > To: Scott James <[email protected]>, "[email protected]" > <[email protected]> > Subject: Re: [Elecraft] K3 with Amertiron amp > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > Gerry, > > Specific answers: > There is a TX DLY configuration menu item that can be used to set the > delay for the onset of RF - the default value is 8 ms. > The connector for KEYOUT is an RCA connector. > Both the Key and Paddle jacks are 1/4 inch phone jacks. > > You would benefit by downloading the K3S manual to see the connectors on > the rear panel and also look at the list of CONFIG Menu items to get an > idea of how the K3S can be customized for your use. Normally the menu > defaults are usable, but better operation suited to your operating > preferences can be achieved by varying those parameters. > > One thing I insist on changing for my personal operation are the AGC > Threshold and Slope parameters. If you want to see a discussion on what > happens when you change those parameters, look at the "Noisy K3" article > on my website www.w3fpr.com. > > 73, > Don W3FPR > >> On 2/15/2016 7:05 PM, Scott James via Elecraft wrote: >> I am getting my K3S soon. Have been using Yaesu 1000MP and Ameritron AL82 >> with 1000MP set to semi QSK and it is OK. >> To tun a K3 into an ANertiron or any non Elecraft amp semi qsk, are there >> any setting I have to make and where would I find them? >> Also, is the connector input for key out RCA connector and is the jack for >> the paddle an RCA. Or? > > > > ------------------------------ > > Message: 23 > Date: Tue, 16 Feb 2016 10:25:57 -0500 > From: AJ8MH Radio <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] KPA500 problem > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > No fault codes? > > Double check amp's menu items and set all to default before test. > > Remove all cables. Connect dummy load directly to amp. Connect RF in > from K3. Connect "Key Out" to "PA Key." > > Manually select same band on rig and amp. Set K3 for 10 watts drive. > Select "OPER." Now, try and key amp. You should see asterisk in amp's > display window and around 200 watts out. An asterisk with underscore > indicates amp is being inhibited. > > If amp still fails, I would check all connections internal to the amp. > Guess you could also see if the K3 is shutting down... > > 73, > Joe ( AJ8MH-Radio ) > > On 2/16/2016 9:33 AM, Mike Crownover wrote: > > 73, > Joe ( AJ8MH-Radio ) > > On 2/16/2016 9:33 AM, Mike Crownover wrote: > > > > ------------------------------ > > Message: 24 > Date: Tue, 16 Feb 2016 10:36:19 -0500 > From: "[email protected]" <[email protected]> > To: [email protected] > Subject: Re: [Elecraft] Microham Microkeyer II, RFI in mike with my K3 > Message-ID: <[email protected]> > Content-Type: text/plain;charset=iso-8859-1 > > I own several DigiKeyer II's and a Micro2R and I have never noticed any > RFI issue. I have done nothing special in my installation to avoid RFI, > but I do eventually intend to bond all of my equipment per K9YC's site. I > have not used the Micro2R with an Elecraft on SSB yet (except into a dummy > load), but I have used it with other transceivers. I did use the Micro2R > for K3S headphone audio in last weekends RTTY contest. > > John KK9A > > Joe Subich, W4TV lists at subich.com > Tue Feb 16 08:54:42 EST 2016 > Previous message (by thread): [Elecraft] Microham Microkeyer II, RFI in > mike with my K3 > > > Jim, > >> On 2/16/2016 2:04 AM, Jim Brown wrote: >> Indeed, it would darn near impossible to do it right without starting >> from scratch withunit a properly made cable from the MicroHam unit to >> the radio, with each signal path having its own coaxial cable. > > Please confine your comments to areas where you are knowledgeable. The > microHAM cables *DO* use a separate coaxial cable (or shielded twisted > pair) for each signal path. The shields are connected to the shell of > the respective connector on each end of the cable. With properly > designed transceivers, this design will minimize RFI issues. When good > engineering practice is used in the station installation - including > antenna systems - there should be no RFI problems with a properly > implemented microKEYER II, MK2R+ or micro2R system. > > Schematics for every microHAM cable are available from the support area > at www.microham.com or www.microHAM-USA.com/support.html. > > 73, > > ... Joe, W4TV > > > > ------------------------------ > > Message: 25 > Date: Tue, 16 Feb 2016 09:39:05 -0600 > From: "Mike Crownover" <[email protected]> > To: "'AJ8MH Radio'" <[email protected]> > Cc: <[email protected]> > Subject: Re: [Elecraft] KPA500 problem > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Joe, > > I already reset all menu items to default. I've also done the Key Out to PA > Key configuration. I've also done the 10 watt exercise, I am getting the > asterisk without the underscore and the ~200 watts out. But only when I just > tap the paddle. If I string dits together, even at low power the amp shuts > off. > > The K3 isn't shutting down. > > I sort of in the camp that it's something internal, however, I've never > built one of these. I did get the assembly manual and have looked at some > obvious ground connections and all seem in order. > > Thanks for your thoughts. > > Mike AD5A > > -----Original Message----- > From: Elecraft [mailto:[email protected]] On Behalf Of AJ8MH > Radio > Sent: Tuesday, February 16, 2016 9:26 AM > To: [email protected] > Subject: Re: [Elecraft] KPA500 problem > > No fault codes? > > Double check amp's menu items and set all to default before test. > > Remove all cables. Connect dummy load directly to amp. Connect RF in from > K3. Connect "Key Out" to "PA Key." > > Manually select same band on rig and amp. Set K3 for 10 watts drive. > Select "OPER." Now, try and key amp. You should see asterisk in amp's > display window and around 200 watts out. An asterisk with underscore > indicates amp is being inhibited. > > If amp still fails, I would check all connections internal to the amp. > Guess you could also see if the K3 is shutting down... > > 73, > Joe ( AJ8MH-Radio ) > > On 2/16/2016 9:33 AM, Mike Crownover wrote: > > 73, > Joe ( AJ8MH-Radio ) > > On 2/16/2016 9:33 AM, Mike Crownover wrote: > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html Message > delivered to [email protected] > > > > ------------------------------ > > Message: 26 > Date: Tue, 16 Feb 2016 08:00:40 -0800 > From: Jack Brindle <[email protected]> > To: Mike Crownover <[email protected]> > Cc: elecraft <[email protected]> > Subject: Re: [Elecraft] KPA500 problem > Message-ID: <[email protected]> > Content-Type: text/plain; charset=utf-8 > > I have to concur, but can?t give any help on what might be shorting. One > piece of info I can give - there is no scenario in firmware where a fault > will power off the amplifier. All faults will leave the amplifier in the STBY > state with the amplifier on. With some you won?t be able to transmit, but the > amp will still be powered. > > Make sure all connections are right, that no cables are offset or otherwise > misconnected. What version of firmware is in the KPA500? If not V1.38 or > later, you should upgrade. > > Otherwise talk to the CS folks in Watsonville. This is a strange situation. > It would be interesting to see the fault table for the amp (you might send me > a fault table for analysis). With the amplifier shutting down so quickly I > doubt if anything is being saved, though. > > Jack Brindle, W6FB > Elecraft Engineering > > >> On Feb 16, 2016, at 7:39 AM, Mike Crownover <[email protected]> wrote: >> >> Joe, >> >> I already reset all menu items to default. I've also done the Key Out to PA >> Key configuration. I've also done the 10 watt exercise, I am getting the >> asterisk without the underscore and the ~200 watts out. But only when I just >> tap the paddle. If I string dits together, even at low power the amp shuts >> off. >> >> The K3 isn't shutting down. >> >> I sort of in the camp that it's something internal, however, I've never >> built one of these. I did get the assembly manual and have looked at some >> obvious ground connections and all seem in order. >> >> Thanks for your thoughts. >> >> Mike AD5A >> >> -----Original Message----- >> From: Elecraft [mailto:[email protected]] On Behalf Of AJ8MH >> Radio >> Sent: Tuesday, February 16, 2016 9:26 AM >> To: [email protected] >> Subject: Re: [Elecraft] KPA500 problem >> >> No fault codes? >> >> Double check amp's menu items and set all to default before test. >> >> Remove all cables. Connect dummy load directly to amp. Connect RF in from >> K3. Connect "Key Out" to "PA Key." >> >> Manually select same band on rig and amp. Set K3 for 10 watts drive. >> Select "OPER." Now, try and key amp. You should see asterisk in amp's >> display window and around 200 watts out. An asterisk with underscore >> indicates amp is being inhibited. >> >> If amp still fails, I would check all connections internal to the amp. >> Guess you could also see if the K3 is shutting down... >> >> 73, >> Joe ( AJ8MH-Radio ) >> >> On 2/16/2016 9:33 AM, Mike Crownover wrote: >> >> 73, >> Joe ( AJ8MH-Radio ) >> >> On 2/16/2016 9:33 AM, Mike Crownover wrote: >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html Message >> delivered to [email protected] >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > http://mailman.qth.net/mailman/listinfo/elecraft > You must be a subscriber to post. > Elecraft web page: http://www.elecraft.com > > ------------------------------ > > End of Elecraft Digest, Vol 142, Issue 31 > ***************************************** ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
