[Elecraft] [K3] Using DTFM microphones
I would be pleased to hear from anyone who has had success in using either the Kenwood MC-59DM or the Icom HM-98S mics on the K3. I am attempting to use either of these on the K3/K144XV to send DTFM tones on 2m to access my local internet linked repeater. Although both of these mics have an RJ45 8-pin modular plug, I have fitted an 8-pin plug to fit the K3 with the assistance of the information on the G4WPW website. The microphone audio works OK and the keypads illuminate with the +8V applied, but I cannot get the tones to work. Any help and experience of others would be most welcome. 73 de David G4DMP -- + - - - - - - - - - - - - - - - - + | David M Pratt, Kippax, Leeds. | | Website: http://www.g4dmp.co.uk | + - - - - - - - - - - - - - - - - + __ 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] Portable speakers for KX3
Thank you Rick for pointing me in the right direction for portable speakers for the KX3. For the benefitof UK owners of KX3's these speakers can be obtained from Maplins at a cost of £7.99order code A27LC. I purchased mine yesterday (Sunday 02/17/2013) and it certainly improves the audio quality. A very satisfied Elecraft user Barry G4DBS K2/10, K2/100, KX3 __ 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-KPA500] SWR jumps up with 5 second key down
Hi Mike, I have the same Q-52 and am beginning to experience the same issue on 20m. Did you get the issue resolved? Where exactly was the problem? Any help would be appeciated. Mike VK1OO - Cheers Mike VK1OO (ex AC7MZ, VK1KCK) K2: 2599 -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-KPA500-SWR-jumps-up-with-5-second-key-down-tp7557071p7570073.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] KX3 DVR - glich?
Lyle, Tnx fer the KX3 SSB DVR functionality ...I waited a long time for this so was eager to use it and I just had a /P trip to CT and it worked great as CT7/M1KTA/P when on the beach however I noted an odd bit of behaviour... The repeat function, sometimes it would run and send (I was using for CQCQ etc) repeats as expected, other times it would send once and then key the mic line (TX light would come on) but send nothing. A reset MSG then Long 1 or 2 and it would run again fine, the message was still there. Same behaviour on internal batteries or an external power source car cigarette lighter socket. Happens often enough that it was not a one off glich any ideas? 72 Dom M1KTA On 09/02/13 15:10, Lyle Johnson wrote: It is for messages only, not recording off the air. The Flash used in the KX3's DSP requires a longer erase time than it takes record, so it can not keep up in a real-time recording loop. 73, Lyle KK7P Will the KX3 DVR be able to record what the receiver is hearing or just what the mic hears? __ 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] Meteor explosion in Chelyabinsk, Russia
Many on this reflector may know Willy, UA9BA, (UK9AAN) (UP2L) He is probably one of the most well known Russian hams..He and I have been friends since 1977. Here is the return email I received from him regarding his Vladimir Umanets Feb 16 (2 days ago) to Paul Hey buddy!!! Yes we're ALL fine! I was at my office with window jalousie closed. The windows are looking North. The meteor exploded about 20km South of Chelyabinsk and 50 km high. So the explosion couldn't be seen from my windows. Nevertheless it was like this - it started getting brighter and brighter in my office for about 1,5 second then it got very bright for maybe ,5 second, so bright that I almost got blind for a moment and then the light quickly disappeard. I was asking myself what could that be and thought of a nuclear explosion and waited for two minutes if anything else would follow, but nothing happened. But in one more minute this horroble very long and loud crashing sound came! The whole building was quaking with this sound and I clearly felt that the sound and the force came from the above. We all were ordered to leave the building and when we came out we saw this two line trace turning into one line trace with junction point just above our heads and little bit to the South. This cloud was very big and it seemed in very close proximity even though it turned out to be over 50 km away. I looked around and found out that lots and lots of windows were broken. The ambulances started coming in and I saw many people were injured and bleeding some couldn't walk by themselves. It was a very frustrating expirience and many people are still under shock. Even I go over and over those moments and don't feel normal, still kind of excited or something. I don't know what frightened me more the spectacular light, or the hit wave, or those bleeding people. All this happened on Friday morning at the plant I work for. The plant loss is estimated at 85 000 000 R which is en equivl. of 1.5 month salory of our 1900 employees. The plant lost about 25000 sq.m of windows, over 50 doors, lots of equipment (measuring, PCs and so on). This was the day I will remember till my last day. My family is OK. My house (42 km South of Chelyabinsk) lost its windows and that was the only damage to my family. By the way, this explosion woke up my 81 year old mother with its spectacular light. She lives in Troitsk 136 km South of Chelyabinsk. The hit wave came 6+ minutes later and was very strong as mother said. That's how it was. I now feel like I trust in God more and more... 73's GL, Willy UA9BA Пятница, 15 февраля 2013, 21:37 -05:00 от Paul VanOveren p...@nf8j.com: status after the Meteor hitting near his home/work sites. Sorry for the bandwidth. -- Paul VanOveren 5911 Snow Av Alto, Mi 49302 (616) 868-7149 __ 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] Portable speaker for KX3
Thanks for the link - ordered mine from Newegg and should arrive this week. Ariel NY4G Sent from my iPad On Feb 17, 2013, at 3:52 AM, Fred Smith m...@mo-net.com wrote: Thanks for the link I just ordered one for myself, if I don't like it on my KX3 will use it on my iPad. 73, Fred/N0AZZ -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rick Robinson Sent: Saturday, February 16, 2013 11:27 AM To: Elecraft@mailman.qth.net Subject: [Elecraft] Portable speaker for KX3 Just ordered one of these. it is a Logitec speaker for IPads. Limited time sale.This weekend only for $13.99 shipped.(#1 reason..inexpensive).It is almost the same length as the KX3. The plug is the correct size and type. 3.5mm stereo. Speakers are stereo and separated about 7 inches. Not too big. Uses self contained battery's. Charges from usb, but an easily configured 12volt cig plug to usb will take care of the charging issue. Mfg. rates use at 8 hours. No relationship with this product or seller, other than satisfied customer. Worth at least taking a look. Must use coupon code. Located down the page about 3/4 way in the middle. I'll report back when mine comes in. http://promotions.newegg.com/NEemail/Feb-0-2013/Express16/index-landing.html ?nm_mc=EMC-EXPRESS021613cm_mmc=EMC-EXPRESS021613-_-EMC-021613-Index-_-E0C-_ -SeeAll __ 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] Meteor explosion in Chelyabinsk, Russia
Paul thanks for posting that. Fred/N0AZZ -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Paul VanOveren Sent: Monday, February 18, 2013 5:51 AM To: elecraft reflector Subject: [Elecraft] Meteor explosion in Chelyabinsk, Russia Many on this reflector may know Willy, UA9BA, (UK9AAN) (UP2L) He is probably one of the most well known Russian hams..He and I have been friends since 1977. Here is the return email I received from him regarding his Vladimir Umanets Feb 16 (2 days ago) to Paul Hey buddy!!! Yes we're ALL fine! I was at my office with window jalousie closed. The windows are looking North. The meteor exploded about 20km South of Chelyabinsk and 50 km high. So the explosion couldn't be seen from my windows. Nevertheless it was like this - it started getting brighter and brighter in my office for about 1,5 second then it got very bright for maybe ,5 second, so bright that I almost got blind for a moment and then the light quickly disappeard. I was asking myself what could that be and thought of a nuclear explosion and waited for two minutes if anything else would follow, but nothing happened. But in one more minute this horroble very long and loud crashing sound came! The whole building was quaking with this sound and I clearly felt that the sound and the force came from the above. We all were ordered to leave the building and when we came out we saw this two line trace turning into one line trace with junction point just above our heads and little bit to the South. This cloud was very big and it seemed in very close proximity even though it turned out to be over 50 km away. I looked around and found out that lots and lots of windows were broken. The ambulances started coming in and I saw many people were injured and bleeding some couldn't walk by themselves. It was a very frustrating expirience and many people are still under shock. Even I go over and over those moments and don't feel normal, still kind of excited or something. I don't know what frightened me more the spectacular light, or the hit wave, or those bleeding people. All this happened on Friday morning at the plant I work for. The plant loss is estimated at 85 000 000 R which is en equivl. of 1.5 month salory of our 1900 employees. The plant lost about 25000 sq.m of windows, over 50 doors, lots of equipment (measuring, PCs and so on). This was the day I will remember till my last day. My family is OK. My house (42 km South of Chelyabinsk) lost its windows and that was the only damage to my family. By the way, this explosion woke up my 81 year old mother with its spectacular light. She lives in Troitsk 136 km South of Chelyabinsk. The hit wave came 6+ minutes later and was very strong as mother said. That's how it was. I now feel like I trust in God more and more... 73's GL, Willy UA9BA Пятница, 15 февраля 2013, 21:37 -05:00 от Paul VanOveren p...@nf8j.com: status after the Meteor hitting near his home/work sites. Sorry for the bandwidth. -- Paul VanOveren 5911 Snow Av Alto, Mi 49302 (616) 868-7149 __ 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] KX3 in the ARRL International DX contest
Gave the KX3 a workout in the ARRL International DX contest this past weekend. I hooked it up to the KPA500 and with the KX3 set to 5 watts out, I got between 130 and 138 watts out of the KPA500 which, naturally varied between bands with 130 out on 10 and just shy of 140 on 160. Bands were in pretty good condition and propagation from Kansas to most of the rest of the world turned out to be almost great. The money bands turned out to be 15 and 10 meters, but got a goodly number of contacts on 20 and 40 as well. I did make a few on 80 and 160 to boot. Total # of contacts 444, total QSO points 1332, multipliers 211 for a total claimed score of 285,052 points. Total operating time over the contest was 14 hours out of the 48 total. Entry was in the Single Op, Unassisted, Low Power category. My friend and neighbor that runs an Alpha 9500 amp and used to overload the front end of any rig I had before the K3 was absent from this contest for some reason so I didn't get to run the KX3 under really extreme conditions. It never exhibited a selectivity or overload problem that I noticed. I operated in search and pounce mode most of the time, doing a CQ run only on 10 meters during a time when it was just marginally open on Saturday afternoon. Even running S P I got my QSO rate up over 65/hour for several short periods on both 15 and 10 meters and the last few minutes of the contest on 40. I had the iPad and iSDR running for the panadapter and it was really nice to be able to view the weak stations in reference to the big guns and with the roughly 150 watts out of the KX3/KPA500 combination, if the station was over S5, I had no trouble working them. Amazing how much better the op's ears get in a contest, even with good propagation. As I was tuning up the band, I watched the panadapter rather than the radio and could easily see if I passed over a station that wasn't transmitting when I rolled over their frequency if I didn't tune too fast. Really helps when working S P. The iPad/iSDR combo is nowhere near as good as the P3, but since the P3 doesn't work with the KX3, it had to do. I've gotten so used to the K3/P3 combination in a contest (or even general operating for that matter) that if my P3 died for any reason, I'd stay out of a contest until I got it fixed, it's that valuable to me! 40 opened early, or maybe it had been open all along and the EU stations just moved there for the last hour of the contest, I don't know. Regardless, I switched to 40 during the last 45 minutes I operated (shut down about 5:45 p.m. local - 23:45 UTC), started right at the bottom of the band and worked every EU station I heard calling CQ. Funny, the US big gun stations were all calling CQ and getting nothing. I got there first and grabbed 'em while things were quiet and I didn't have to try and bust many pileups (which didn't seem to be much of a problem either) so during that last 45 minutes, I picked up 40 of the 46 stations worked on 40. Managed 10 on 80 and 7 on 160. Worked on all 6 bands were KH7X and HK1NA. Logging was with N3FJP's latest ARRLDX program (version 3.0) and I used a Griffin PowerMate set next to the keyboard to control the KX3's frequency, sharing the com port via a commercial port sharing program. Overall, the KX3 performed very well, it's RX sensitivity is outstanding, the NR isn't perfect, but it did help some, especially on 80 and 160. It wasn't really needed on the other bands as signals were so far above any noise for the most part that it was easy to work them. Jim - W0EB __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Meteor explosion in Chelyabinsk, Russia
Paul, Thanks for the posting. Was great to read and glad to hear he and his family are all safe. Scary stuff eh? 73 Gary On 18 February 2013 23:40, Fred Smith m...@mo-net.com wrote: Paul thanks for posting that. Fred/N0AZZ -Original Message- From: elecraft-boun...@mailman.qth.net [mailto: elecraft-boun...@mailman.qth.net] On Behalf Of Paul VanOveren Sent: Monday, February 18, 2013 5:51 AM To: elecraft reflector Subject: [Elecraft] Meteor explosion in Chelyabinsk, Russia Many on this reflector may know Willy, UA9BA, (UK9AAN) (UP2L) He is probably one of the most well known Russian hams..He and I have been friends since 1977. Here is the return email I received from him regarding his Vladimir Umanets Feb 16 (2 days ago) to Paul Hey buddy!!! Yes we're ALL fine! I was at my office with window jalousie closed. The windows are looking North. The meteor exploded about 20km South of Chelyabinsk and 50 km high. So the explosion couldn't be seen from my windows. Nevertheless it was like this - it started getting brighter and brighter in my office for about 1,5 second then it got very bright for maybe ,5 second, so bright that I almost got blind for a moment and then the light quickly disappeard. I was asking myself what could that be and thought of a nuclear explosion and waited for two minutes if anything else would follow, but nothing happened. But in one more minute this horroble very long and loud crashing sound came! The whole building was quaking with this sound and I clearly felt that the sound and the force came from the above. We all were ordered to leave the building and when we came out we saw this two line trace turning into one line trace with junction point just above our heads and little bit to the South. This cloud was very big and it seemed in very close proximity even though it turned out to be over 50 km away. I looked around and found out that lots and lots of windows were broken. The ambulances started coming in and I saw many people were injured and bleeding some couldn't walk by themselves. It was a very frustrating expirience and many people are still under shock. Even I go over and over those moments and don't feel normal, still kind of excited or something. I don't know what frightened me more the spectacular light, or the hit wave, or those bleeding people. All this happened on Friday morning at the plant I work for. The plant loss is estimated at 85 000 000 R which is en equivl. of 1.5 month salory of our 1900 employees. The plant lost about 25000 sq.m of windows, over 50 doors, lots of equipment (measuring, PCs and so on). This was the day I will remember till my last day. My family is OK. My house (42 km South of Chelyabinsk) lost its windows and that was the only damage to my family. By the way, this explosion woke up my 81 year old mother with its spectacular light. She lives in Troitsk 136 km South of Chelyabinsk. The hit wave came 6+ minutes later and was very strong as mother said. That's how it was. I now feel like I trust in God more and more... 73's GL, Willy UA9BA Пятница, 15 февраля 2013, 21:37 -05:00 от Paul VanOveren p...@nf8j.com: status after the Meteor hitting near his home/work sites. Sorry for the bandwidth. -- Paul VanOveren 5911 Snow Av Alto, Mi 49302 (616) 868-7149 __ 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 -- *Gary - VK1ZZ Skype: Gary.VK1ZZ Motorhome Portable The Shack* *Elecraft K3 P3 Panadapter KPA500FT KAT500FT** KX3-K * __ 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] K1 IS FANTASTIC !!!!!!
Used the K1 in the ARRL DX INTERNATIONAL and had a INCREDIBLE time 304 Qs , 141 multipliers , for a claimed score of 128,592. 50 countries on 40 meters , 46 countries on 20 meters and 45 countries on 15 meters. My only wish would have been a filter like 100hz instead of 200hz as the narrowest. The K1 to me is a very capable contest rig !! Used a K1EL keyboard keyer and not my usual bug. And the antenna was a ZeroFive 40 meter monoband vertical with 60-12 ft radials. The antenna tunes 40-10 with the internal tuner very well. Had the best time in a contest in years !!! And thanks Don for the superb job you did in getting it up to speed Many thanks Elecraft !!! George Osier , N2JNZ __ 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] KX3 in the ARRL International DX contest
Jim, fantastic results with the KX3. Have not had the chance to use one yet, but had a great time with my K3(758) the KPA 500 and the P3 in the contest. Age is 73 so can't sit in the op chair very long anymore, but did manage 600 qs, 190 multipliers and 342,000 pts in about 14 hrs of S P only. TH11DX was the antenna. Cut the bandwith down with the 250 Hz cw filter and backed off on the RF gain and that really helped on 10 meters, where the signals were rather weak, the solar flux being only 100 or so... congrats, nice effort.. Paul On Mon, Feb 18, 2013 at 7:57 AM, Jim Sheldon w...@cox.net wrote: Gave the KX3 a workout in the ARRL International DX contest this past weekend. I hooked it up to the KPA500 and with the KX3 set to 5 watts out, I got between 130 and 138 watts out of the KPA500 which, naturally varied between bands with 130 out on 10 and just shy of 140 on 160. Bands were in pretty good condition and propagation from Kansas to most of the rest of the world turned out to be almost great. The money bands turned out to be 15 and 10 meters, but got a goodly number of contacts on 20 and 40 as well. I did make a few on 80 and 160 to boot. Total # of contacts 444, total QSO points 1332, multipliers 211 for a total claimed score of 285,052 points. Total operating time over the contest was 14 hours out of the 48 total. Entry was in the Single Op, Unassisted, Low Power category. My friend and neighbor that runs an Alpha 9500 amp and used to overload the front end of any rig I had before the K3 was absent from this contest for some reason so I didn't get to run the KX3 under really extreme conditions. It never exhibited a selectivity or overload problem that I noticed. I operated in search and pounce mode most of the time, doing a CQ run only on 10 meters during a time when it was just marginally open on Saturday afternoon. Even running S P I got my QSO rate up over 65/hour for several short periods on both 15 and 10 meters and the last few minutes of the contest on 40. I had the iPad and iSDR running for the panadapter and it was really nice to be able to view the weak stations in reference to the big guns and with the roughly 150 watts out of the KX3/KPA500 combination, if the station was over S5, I had no trouble working them. Amazing how much better the op's ears get in a contest, even with good propagation. As I was tuning up the band, I watched the panadapter rather than the radio and could easily see if I passed over a station that wasn't transmitting when I rolled over their frequency if I didn't tune too fast. Really helps when working S P. The iPad/iSDR combo is nowhere near as good as the P3, but since the P3 doesn't work with the KX3, it had to do. I've gotten so used to the K3/P3 combination in a contest (or even general operating for that matter) that if my P3 died for any reason, I'd stay out of a contest until I got it fixed, it's that valuable to me! 40 opened early, or maybe it had been open all along and the EU stations just moved there for the last hour of the contest, I don't know. Regardless, I switched to 40 during the last 45 minutes I operated (shut down about 5:45 p.m. local - 23:45 UTC), started right at the bottom of the band and worked every EU station I heard calling CQ. Funny, the US big gun stations were all calling CQ and getting nothing. I got there first and grabbed 'em while things were quiet and I didn't have to try and bust many pileups (which didn't seem to be much of a problem either) so during that last 45 minutes, I picked up 40 of the 46 stations worked on 40. Managed 10 on 80 and 7 on 160. Worked on all 6 bands were KH7X and HK1NA. Logging was with N3FJP's latest ARRLDX program (version 3.0) and I used a Griffin PowerMate set next to the keyboard to control the KX3's frequency, sharing the com port via a commercial port sharing program. Overall, the KX3 performed very well, it's RX sensitivity is outstanding, the NR isn't perfect, but it did help some, especially on 80 and 160. It wasn't really needed on the other bands as signals were so far above any noise for the most part that it was easy to work them. Jim - W0EB __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -- Paul VanOveren 5911 Snow Av Alto, Mi 49302 (616) 868-7149 __ 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] P3/SVGA used as modem for DxLab WWW or other apps
Hi ! I'm having crazy (probably that) idea : should it be possible to use P3/Svga in DxLab WWW as if it was an external device such as KAM or PK232 or whatever similar ? I'd like to leave k3 decoding and encoding PSK31 or RTTY FSK and having and external software/suite it would mean IMHO to be able to manage the log, controlling the rig via CAT (maybe) and more. I'm sure I'm forgetting some basic aspects that make this scenario impossible, sorry in advance :-) Best 73 Giorgio -- View this message in context: http://elecraft.365791.n2.nabble.com/P3-SVGA-used-as-modem-for-DxLab-WWW-or-other-apps-tp7570082.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] using Virtual serial Port 64
I gave Lp Bridge a try Got it to work fine but its not really what I am looking for. I want a totaly hands off option as was the VSPE application.It started at boot up and sat quietly in the systray.did not need K3 on to launch didn't have to think about order of launching and starting other things or connecting and disconnecting.all programs could be set to the same port at any speed so no individual port configurations I am not sure what the limits are but I could have more than 5 different programs using the K3 it seems that LP-Bridge only allowed five virtual ports and each had to be dedicated to a program. even though I don't use all five at the same timethere are many programs that I have that access the K3 at one time or another Don't get me wrong Lp bridge looks like a great piece of software just not what I am looking for. after much research there seems to be two alternativesone is to pay for VSPE and I understand the reason for them to have to charge. the second option is to put the computer into driver test mode. not sure what security issues this opens but I know that this is not advised. anyone else have any ideas? Thanks Dave VE3DVY please reply to list I am sure that I am no the only one that may experience these problems __ 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] KPA-500 AM Performance?
I was wondering about the Performance of the KPA-500 in AM mode of operation? There are no spec's on the web site that I have seen as of yet. Does anybody have any experence using it in this mode or can shed some light? Dave Purola, N8NTA __ 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] KPA-500 AM Performance?
Hi Dave, I have used my KPA500 on AM, I keep it down to around 200W on modulation peaks and I've had some superb quality reports, you can't do better than a good class A amp!. Remember not to rag chew for hours as it will get warm... Best regards, Tim Hague, M0AFJ Skype m0afj.Tim Sent on my iPad On 18 Feb 2013, at 15:29, Dave Purola n8...@yahoo.com wrote: I was wondering about the Performance of the KPA-500 in AM mode of operation? There are no spec's on the web site that I have seen as of yet. Does anybody have any experence using it in this mode or can shed some light? Dave Purola, N8NTA __ 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] P3/SVGA used as modem for DxLab WWW or other apps
This is an issue for the author of DXLab Suite (Commander/WinWarbler). You may want to take it up with him on his list. Use of TB/KY is certainly something that can be done in Commander/WinWarbler. From previous discussions, I know that he will not pursue it as long as the transmit tail is four seconds due to the need to manage the transmit buffer and send a separate TX OFF. If/when Wayne makes VOX Delay work with text from ASCII/text from paddles and Dave once again has access to a K3 he may consider support for the terminal mode in the K3. 73, ... Joe, W4TV On 2/18/2013 9:45 AM, ik1bxn wrote: Hi ! I'm having crazy (probably that) idea : should it be possible to use P3/Svga in DxLab WWW as if it was an external device such as KAM or PK232 or whatever similar ? I'd like to leave k3 decoding and encoding PSK31 or RTTY FSK and having and external software/suite it would mean IMHO to be able to manage the log, controlling the rig via CAT (maybe) and more. I'm sure I'm forgetting some basic aspects that make this scenario impossible, sorry in advance :-) Best 73 Giorgio -- View this message in context: http://elecraft.365791.n2.nabble.com/P3-SVGA-used-as-modem-for-DxLab-WWW-or-other-apps-tp7570082.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 __ 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] P3/SVGA used as modem for DxLab WWW or other apps
Giorgio, I think you are asking for a general purpose computer inside the P3 running some OS that can execute DxLab. I don't think that is going to be possible. The P3 does have a dedicated processor but it is not a general purpose computer. 73, Don W3FPR On 2/18/2013 9:45 AM, ik1bxn wrote: Hi ! I'm having crazy (probably that) idea : should it be possible to use P3/Svga in DxLab WWW as if it was an external device such as KAM or PK232 or whatever similar ? I'd like to leave k3 decoding and encoding PSK31 or RTTY FSK and having and external software/suite it would mean IMHO to be able to manage the log, controlling the rig via CAT (maybe) and more. I'm sure I'm forgetting some basic aspects that make this scenario impossible, sorry in advance :-) Best 73 Giorgio __ 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] using Virtual serial Port 64
Look into ComOcom with Com4Hub and/or DDUtil. Both are multi-port splitter/combiners but take some fiddling to make work. Alternatively, the commercial Eltima Serial Port Slitter is very good but expensive ($99 for a single user license). These products are not easy to develop and maintain so you get what you pay for. If you don't want to pay for software - you could always use multiple serial ports and a *hardware* serial splitter like those from BlackBox available in three or six port versions: http://www.blackbox.com/Store/Detail.aspx/3-Port-MS-3-Modem-Splitter/TL073A%C4%82R4 and http://www.blackbox.com/Store/Detail.aspx/6-Port-MS-6-Modem-Splitter/TL074A%C4%82R4. The cost of multiple USB to serial adapters, a hub and the splitter will quickly outstrip even commercial software. 73, ... Joe, W4TV On 2/18/2013 10:26 AM, david Moes wrote: I gave Lp Bridge a try Got it to work fine but its not really what I am looking for. I want a totaly hands off option as was the VSPE application.It started at boot up and sat quietly in the systray.did not need K3 on to launch didn't have to think about order of launching and starting other things or connecting and disconnecting.all programs could be set to the same port at any speed so no individual port configurations I am not sure what the limits are but I could have more than 5 different programs using the K3 it seems that LP-Bridge only allowed five virtual ports and each had to be dedicated to a program. even though I don't use all five at the same timethere are many programs that I have that access the K3 at one time or another Don't get me wrong Lp bridge looks like a great piece of software just not what I am looking for. after much research there seems to be two alternativesone is to pay for VSPE and I understand the reason for them to have to charge. the second option is to put the computer into driver test mode. not sure what security issues this opens but I know that this is not advised. anyone else have any ideas? Thanks Dave VE3DVY please reply to list I am sure that I am no the only one that may experience these problems __ 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] K1 IS FANTASTIC !!!!!!
George wrote: Used the K1 in the ARRL DX INTERNATIONAL and had a INCREDIBLE time 304 Qs , 141 multipliers , for a claimed score of 128,592. 50 countries on 40 meters , 46 countries on 20 meters and 45 countries on 15 meters. That's an impressive report. Regardless of the bells and whistles on later QRP rigs, the solid, compact, low power consumption design of the K1 maked it my favorite QRP rig since I bought SN 175 in 2000. I love the 17/15m coverage that most DDS rigs like the KX1 can't provide, and its four-pole IF crystal filter. I wish Elecraft would produce a four-band filter board for 17, 15, 12, and 10 meters. That would likely require an Elecraft engineer a half day to design...only the 12/10m section and any changes to the K1 itself require specification. One solar cycle maximum passed without this useful option... it would be great to have this as the final enhancement for a classic QRP rig. Mike / KK5F __ 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] P3/SVGA used as modem for DxLab WWW or other apps
Thanks Joe and Don for answer. No Don, I think to a terminal data exchange between p3 and an external application that can manage/integrate current date. The encode/decode job is inside k3 and inputs/result are available on the serial port. Something like a modem. Into other words the pc running the app will find on serial comm decoded text coming from the qso, the same going to transmission app will send data to k3 that will encode and will transmit. It's what we did years ago by using external device such KAM. The app was basically a terminal sw capable to help you by managing memories (we better call them now macros) and so on. If I understood correctly with P3/Svga the only way I have to interact (during a qso so) is to see what's incoming and answer via the keyboard. This way there is no additional function such as : inserting qso into the log (retrieving callsign,freq,mode,time and so on), query QRZ for data and more. As Joe clarified it would have been not easy to get. Thanks you for kind attention and explanationbut it's not a new here :-) !!! 73 Giorgio -- View this message in context: http://elecraft.365791.n2.nabble.com/P3-SVGA-used-as-modem-for-DxLab-WWW-or-other-apps-tp7570082p7570090.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] using Virtual serial Port 64
Hi, searching on Google I found the following software, which appears to be free also for x64 users: http://www.hhdsoftware.com/free-virtual-serial-ports it seems interesting. I will try downloading and testing it when I'll be back home. In the meanwhile, if you try it please let us know what you think about it. 73 Ciao Fabio IZ4AFW - NZ1W - HI9/IZ4AFW 2013/2/17 david Moes dm...@nexicom.net so I have upgraded into the new age and purchased a fancy new new computer. with windows7 64 bit. everything works fine except for one minor problemI was using eterlogic VSPE so that I can share one port with a bunch of programs but because of a Microsoft money grab they don't support 64 bit systems without charging for the program. Is there another way or freeware or Open source program that I can share one port with many programs on a 64 bit system? __**__**__ Elecraft mailing list Home: http://mailman.qth.net/**mailman/listinfo/elecrafthttp://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.**htmhttp://mailman.qth.net/mmfaq.htm Post: mailto:elecr...@mailman.qth.**net 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] RF Concepts Alpha 8410 Users?
Are there any Elecraft folks who also have an Alpha 8410 amplifier? I'm trying to find you. I've had mine for three months and use it daily with under 50 watts to get the full 1500 output. It's very linear and can handle the full duty cycle found with PSK 31 or RTTY. 73 John, W1QS __ 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] Sudden Hi-SWR on low end of 40M
Yesterday, during the CW contest, I noticed that my K3-100 (#474) suddenly began to stutter during CW transmissions on the low end of 40 meters. I hadn't noticed this before, including Saturday, the first day of the contest. My CW transmission had a chattering sound something like the brap of a machine gun (and no, my fist isn't *that* good). My first thought was RF getting into the radio, but, I've never had RF issues before and, again, nothing in the system had changed: K3 LP-100A SWR/Power meter 4 position Ameritron RCS-4 antenna switch dipole. I have never found a frequency on 40-10 meters that my K3's internal tuner could not handle with the only antenna I've ever used with the rig. But the tuner could not eliminate this chattering yesterday. After the contest I did some checking and noted the following: 1. At 100W, the chattering only occurred from 7.0 to almost exactly 7.1 then went normal again. CW was normal on all other bands. 2. If I backed the power down from 100W to 50W the chattering CW below 7.1 went away and all was normal again. 3. I checked my DX-EE parallel dipole and it was without damage or change. 4. All coax connections in the feed line chain were tight. 5. The meter on the K3 indicated a *tuned* SWR of 1.2 at 7.033 during the chattering but the LP-100 meter showed 4.5 and up at the same time and its alarm sounded. I'd never even heard the alarm before. 6. I put my MFJ 269 analyzer on the PL259 that connects the 10-40 meter dipole to the K3 and swept the bands. No band had an SWR greater than 2.4, which the K3's tuner should (and always has) handle well. All in all, the rig performed extremely well in the contest except for this new chattering issue. I logged many stations that I could barely hear. Now all I can think is that the K3's internal tuner somehow is losing its memory. So I went back to each band and did a few manual antenna tunes. SWR on the lower end of 40 meters tuned to 1.2 in several places but the chattering CW continues there with power above 50 watts. Are there any tests I could perform to determine if the memory function of the K3's internal tuner is intermittent or otherwise suffering. Thanks. 73, Terry, W0FM __ 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] Meteor explosion in Chelyabinsk, Russia
Wow, I remember the call UK9AAN well as I have his card from May 1976. I worked him QRP using 2 watts SSB with a TenTec Argonaut on 20 meters no less. Here is the best part; it was a pile-up and I only gave him one call. I had just installed the rig. Man, was I elated. Thank you for that information. Rich, n0ce (but not back then) - Original Message - From: Paul VanOveren To: elecraft reflector Sent: Monday, February 18, 2013 5:51 AM Subject: [Elecraft] Meteor explosion in Chelyabinsk, Russia Many on this reflector may know Willy, UA9BA, (UK9AAN) (UP2L) He is probably one of the most well known Russian hams..He and I have been friends since 1977. Here is the return email I received from him regarding his Vladimir Umanets Feb 16 (2 days ago) to Paul Hey buddy!!! Yes we're ALL fine! I was at my office with window jalousie closed. The windows are looking North. The meteor exploded about 20km South of Chelyabinsk and 50 km high. So the explosion couldn't be seen from my windows. Nevertheless it was like this - it started getting brighter and brighter in my office for about 1,5 second then it got very bright for maybe ,5 second, so bright that I almost got blind for a moment and then the light quickly disappeard. I was asking myself what could that be and thought of a nuclear explosion and waited for two minutes if anything else would follow, but nothing happened. But in one more minute this horroble very long and loud crashing sound came! The whole building was quaking with this sound and I clearly felt that the sound and the force came from the above. We all were ordered to leave the building and when we came out we saw this two line trace turning into one line trace with junction point just above our heads and little bit to the South. This cloud was very big and it seemed in very close proximity even though it turned out to be over 50 km away. I looked around and found out that lots and lots of windows were broken. The ambulances started coming in and I saw many people were injured and bleeding some couldn't walk by themselves. It was a very frustrating expirience and many people are still under shock. Even I go over and over those moments and don't feel normal, still kind of excited or something. I don't know what frightened me more the spectacular light, or the hit wave, or those bleeding people. All this happened on Friday morning at the plant I work for. The plant loss is estimated at 85 000 000 R which is en equivl. of 1.5 month salory of our 1900 employees. The plant lost about 25000 sq.m of windows, over 50 doors, lots of equipment (measuring, PCs and so on). This was the day I will remember till my last day. My family is OK. My house (42 km South of Chelyabinsk) lost its windows and that was the only damage to my family. By the way, this explosion woke up my 81 year old mother with its spectacular light. She lives in Troitsk 136 km South of Chelyabinsk. The hit wave came 6+ minutes later and was very strong as mother said. That's how it was. I now feel like I trust in God more and more... 73's GL, Willy UA9BA l __ 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] Enhancement Request ...
Would it be possible to place main RX audio on *both* channels of Line Out when the Sub Rx (Dual RX/Diversity) is *not* selected without resorting to LIN OUT=PHONES? I don't see a downside to having main Rx there and doing so will make it easier to configure dual receive by avoiding the need to change audio input to the software from Left to Right when enabling dual/diversity/split operation. 73, ... Joe, W4TV __ 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] P3 generates noise on 144MHz
Roger saith: When I had the I/O printed circuit board out of the case, I noticed that the earth planes for the power supply section and RS232 section are separated by a zig zag gap. Ouch! That indicates that whoever laid out the board had no idea that 'gapping' the board is a BAD IDEA(tm). Please, whoever was responsible for laying out the I/O board for the P3, go to this site, and learn what REALLY has to be done to properly design PC boards for EMC: http://www.learnemc.com/index.html I attended a whirlwind 4-hour course on automotive EMC at last year's Freescale Technology Forum that was a very compressed version of the 2-day courses shown on the LearnEMC home page, and it was a real eye-opener. If there is anything critical as a take away from that experience, it was that the PCB layout will make-or-break your EMC issues, and is the best and most cost-effective way to stop EMC issues, rather than trying to use ferrites, etc. after the fact, all of which will never be as effective. If you can't do the two-day course (highly recommended) there are free extensive tutorials to be found at the EMC Tutorials link on the main page: http://www.learnemc.com/EMC-Tutorials.html It's all good stuff, and should be mandatory learning for anyone laying out PC boards these days. 73, -- Dave, N8SBE Original Message Subject: Re: [Elecraft] P3 generates noise on 144MHz From: Roger Crofts ro...@monitorsensors.com Date: Tue, February 12, 2013 6:02 pm To: elecraft reflector elecraft@mailman.qth.net Last night I cleaned all mating metal surfaces in the P3 but, alas, this made no difference. The noise was still at S6. When I had the I/O printed circuit board out of the case, I noticed that the earth planes for the power supply section and RS232 section are separated by a zig zag gap. They are commoned together towards the inner edge. This has the effect of lengthening the route of RF currents from the earthy side of C500 to the metal case. My thoughts are that C500 will do a great job of removing RF differential mode voltages across the power cord. It will not do such a good job of removing common mode RF voltages from the power cord. I believe it is the common mode RF voltages that are the problem. This was confirmed when I replaced the power cord with a coaxial one (as suggested by John, G4ZTR). This made no difference to the noise. I found a ferrite ring which was large enough to pass the power plug through it. In fact I passed the plug through it three times to form two tight turns and I moved this choke as close as possible to the P3 power socket. The result was that the noise dropped to S4. Almost there! I think it would be better if the filter was totally inside the P3 case. I will try that next. Roger Crofts, VK4YB __ 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] using Virtual serial Port 64
Spent the Big bucks and registered VSPE seems to be the best option I know it works __ 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] Sudden Hi-SWR on low end of 40M
Obviously something has changed. One element of your system can't handle the higher RF. Note: use of the internal K3 tuner completely negates the accuracy of the external power/SWR meter since it is 'downstream' and not at the expected 50 ohms resistive. I'd start by replacing the patch cables, checking the choke (you DO use one, no?) for burns or other failure (replace?) and all connections at the antenna. I'm guessing you'll find something marginally 'off'. The analyzer won't catch it because it is very RF out. GL es 73, Rick wa6nhc Tiny iPhone 5 keypad, typos are inevitable On Feb 18, 2013, at 8:54 AM, Terry Schieler w...@swbell.net wrote: Yesterday, during the CW contest, I noticed that my K3-100 (#474) suddenly began to stutter during CW transmissions on the low end of 40 meters. I hadn't noticed this before, including Saturday, the first day of the contest. My CW transmission had a chattering sound something like the brap of a machine gun (and no, my fist isn't *that* good). My first thought was RF getting into the radio, but, I've never had RF issues before and, again, nothing in the system had changed: K3 LP-100A SWR/Power meter 4 position Ameritron RCS-4 antenna switch dipole. I have never found a frequency on 40-10 meters that my K3's internal tuner could not handle with the only antenna I've ever used with the rig. But the tuner could not eliminate this chattering yesterday. After the contest I did some checking and noted the following: 1. At 100W, the chattering only occurred from 7.0 to almost exactly 7.1 then went normal again. CW was normal on all other bands. 2. If I backed the power down from 100W to 50W the chattering CW below 7.1 went away and all was normal again. 3. I checked my DX-EE parallel dipole and it was without damage or change. 4. All coax connections in the feed line chain were tight. 5. The meter on the K3 indicated a *tuned* SWR of 1.2 at 7.033 during the chattering but the LP-100 meter showed 4.5 and up at the same time and its alarm sounded. I'd never even heard the alarm before. 6. I put my MFJ 269 analyzer on the PL259 that connects the 10-40 meter dipole to the K3 and swept the bands. No band had an SWR greater than 2.4, which the K3's tuner should (and always has) handle well. All in all, the rig performed extremely well in the contest except for this new chattering issue. I logged many stations that I could barely hear. Now all I can think is that the K3's internal tuner somehow is losing its memory. So I went back to each band and did a few manual antenna tunes. SWR on the lower end of 40 meters tuned to 1.2 in several places but the chattering CW continues there with power above 50 watts. Are there any tests I could perform to determine if the memory function of the K3's internal tuner is intermittent or otherwise suffering. Thanks. 73, Terry, W0FM __ 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] P3 generates noise on 144MHz
What does the zig zag gap look like and what is the issue with it? Or...how does it contribute to the noise? Thanks, Sent from my iPad Chuck, KE9UW (Jack for BMW motorcycles) On Feb 18, 2013, at 11:42 AM, Dave New, N8SBE n8...@arrl.net wrote: Roger saith: When I had the I/O printed circuit board out of the case, I noticed that the earth planes for the power supply section and RS232 section are separated by a zig zag gap. Ouch! That indicates that whoever laid out the board had no idea that 'gapping' the board is a BAD IDEA(tm). Please, whoever was responsible for laying out the I/O board for the P3, go to this site, and learn what REALLY has to be done to properly design PC boards for EMC: http://www.learnemc.com/index.html I attended a whirlwind 4-hour course on automotive EMC at last year's Freescale Technology Forum that was a very compressed version of the 2-day courses shown on the LearnEMC home page, and it was a real eye-opener. If there is anything critical as a take away from that experience, it was that the PCB layout will make-or-break your EMC issues, and is the best and most cost-effective way to stop EMC issues, rather than trying to use ferrites, etc. after the fact, all of which will never be as effective. If you can't do the two-day course (highly recommended) there are free extensive tutorials to be found at the EMC Tutorials link on the main page: http://www.learnemc.com/EMC-Tutorials.html It's all good stuff, and should be mandatory learning for anyone laying out PC boards these days. 73, -- Dave, N8SBE Original Message Subject: Re: [Elecraft] P3 generates noise on 144MHz From: Roger Crofts ro...@monitorsensors.com Date: Tue, February 12, 2013 6:02 pm To: elecraft reflector elecraft@mailman.qth.net Last night I cleaned all mating metal surfaces in the P3 but, alas, this made no difference. The noise was still at S6. When I had the I/O printed circuit board out of the case, I noticed that the earth planes for the power supply section and RS232 section are separated by a zig zag gap. They are commoned together towards the inner edge. This has the effect of lengthening the route of RF currents from the earthy side of C500 to the metal case. My thoughts are that C500 will do a great job of removing RF differential mode voltages across the power cord. It will not do such a good job of removing common mode RF voltages from the power cord. I believe it is the common mode RF voltages that are the problem. This was confirmed when I replaced the power cord with a coaxial one (as suggested by John, G4ZTR). This made no difference to the noise. I found a ferrite ring which was large enough to pass the power plug through it. In fact I passed the plug through it three times to form two tight turns and I moved this choke as close as possible to the P3 power socket. The result was that the noise dropped to S4. Almost there! I think it would be better if the filter was totally inside the P3 case. I will try that next. Roger Crofts, VK4YB __ 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] [K3] Sudden Hi-SWR on low end of 40M
Terry, I suggest you look for something arcing or otherwise breaking down at some power level in your antenna system. The K3 is showing you the SWR achieved at the input to the internal tuner. Your LP-100 is showing you the actual SWR of the antenna. The only reason your MFJ-269 would indicate a very different SWR from the LP-100 is that while your antenna seems just fine with low power, something changes when you increase the power. That is usually from a failed common mode choke, or an insulator arcing over or something similar. Try reducing the power of the K3 to 10 watts - now what does the LP-100 indicate for SWR? I would wager that it will be similar to that obtained from your MFJ-269. 73, Don W3FPR On 2/18/2013 11:54 AM, Terry Schieler wrote: Yesterday, during the CW contest, I noticed that my K3-100 (#474) suddenly began to stutter during CW transmissions on the low end of 40 meters. I hadn't noticed this before, including Saturday, the first day of the contest. My CW transmission had a chattering sound something like the brap of a machine gun (and no, my fist isn't *that* good). My first thought was RF getting into the radio, but, I've never had RF issues before and, again, nothing in the system had changed: K3 LP-100A SWR/Power meter 4 position Ameritron RCS-4 antenna switch dipole. I have never found a frequency on 40-10 meters that my K3's internal tuner could not handle with the only antenna I've ever used with the rig. But the tuner could not eliminate this chattering yesterday. After the contest I did some checking and noted the following: 1. At 100W, the chattering only occurred from 7.0 to almost exactly 7.1 then went normal again. CW was normal on all other bands. 2. If I backed the power down from 100W to 50W the chattering CW below 7.1 went away and all was normal again. 3. I checked my DX-EE parallel dipole and it was without damage or change. 4. All coax connections in the feed line chain were tight. 5. The meter on the K3 indicated a *tuned* SWR of 1.2 at 7.033 during the chattering but the LP-100 meter showed 4.5 and up at the same time and its alarm sounded. I'd never even heard the alarm before. 6. I put my MFJ 269 analyzer on the PL259 that connects the 10-40 meter dipole to the K3 and swept the bands. No band had an SWR greater than 2.4, which the K3's tuner should (and always has) handle well. All in all, the rig performed extremely well in the contest except for this new chattering issue. I logged many stations that I could barely hear. Now all I can think is that the K3's internal tuner somehow is losing its memory. So I went back to each band and did a few manual antenna tunes. SWR on the lower end of 40 meters tuned to 1.2 in several places but the chattering CW continues there with power above 50 watts. Are there any tests I could perform to determine if the memory function of the K3's internal tuner is intermittent or otherwise suffering. Thanks. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] RF Concepts Alpha 8410 Users?
John, I had an 8410 for a year with my K3 but sold it when I found I was using my KPA500 95% of the time. I used 40 watts in for 1500 out of the 8410 which is a very nice linear but needs a 3 minute warmup. I have another high power instant on amp I can use when needed. I never did see the grid current light go on with even 50 watts on the 8410. Tank quality. Bob K7VO On Mon, Feb 18, 2013 at 8:53 AM, John Lawrence j123...@aol.com wrote: Are there any Elecraft folks who also have an Alpha 8410 amplifier? I'm trying to find you. I've had mine for three months and use it daily with under 50 watts to get the full 1500 output. It's very linear and can handle the full duty cycle found with PSK 31 or RTTY. 73 John, W1QS __ 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] KPA500,KAT500 DOES NOT RESPOND TO K3
Could you be more specific as to what is and is not working? I have a k3 and a KPA 500 but not a KAT 500. The amplifier works perfectly with my K-3, using the AUX cable. I did have a problem at first which was entirely due to my own stupidity. The amplifier was factory assembled and I did not realize that it was shipped without fuses installed. Consequently when I first attempted to use it, it was deader than a doornail! After I finally remedied that problem everything worked perfectly. I assume your amplifier turns on but does not do anything when attached to the k3 but perhaps you could be a bit more specific about the problem. Bruce-W8FU -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Kenneth Hale Sent: Sunday, February 17, 2013 12:18 AM To: Elecraft@mailman.qth.net Subject: [Elecraft] KPA500,KAT500 DOES NOT RESPOND TO K3 Importance: High Sensitivity: Confidential Received my new KOA500 AND KAT500 but have not been able to get either one to respond to the K3. The K3 was working great as a barefoot radio. Have tried to connect the system in about 5 different configurations as shown in the manuals that came with the amp and tuner. No response from the tuner or amp. Could some menu setting in the K3 be stopping the use of the KPA 500 and KAT500? Very confused at this point. Ken Hale KE5KNF __ 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] K3 -- External speaker recommendation
Over the years, I have noticed a number of requests for recommendations for speakers that work well with the K2 and K3 radios. Having tried and, for various reasons, returned a number of speakers, I would like to recommend the Bose Companion 2 PC speakers for use with Elecraft radios. For the price of a good pair of earphones (about $90), these amplified speakers have two audio inputs allowing them to be connected to both your PC and your radio simultaneously -- i.e. no switches are needed, and the inputs are added. The speakers are sufficiently well shielded so as not to be bothered by RF from the radio, and there are no annoying audio resonances while listening to either CW tones or violin concertos. When properly positioned on either side of the operating position, the speakers preserve the stereo effect of wearing earphones while operating split with the dual receivers of the K3. I find the audio volume and quality more than adequate for both amateur radio and casual music listening. The speakers are available directly from Bose or through standard retail channels such as Amazon. Regards, Ned, W2NED -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-External-speaker-recommendation-tp7570103.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
[Elecraft] FS: LDG AT-1000 ProII
I have an LDG AT-1000 ProII for sale. It is in LIKE NEW condition. Only used a couple of times until my Elecraft KAT500 arrived. Comes with the original box, manual, packing material, and unused power cord. Asking $480 shipped to CONUS. PAYPAL only. Mike AC6JA __ 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] Meteor explosion in Chelyabinsk, Russia
Thank you Paul. I appreciated hearing it first hand. I am glad he and his family are all okay. Hoping for the best for all those that experienced it. Thanks Gerald- KC6CNN On Feb 18, 2013 11:26 AM, Richard Fjeld rpfj...@embarqmail.com wrote: Wow, I remember the call UK9AAN well as I have his card from May 1976. I worked him QRP using 2 watts SSB with a TenTec Argonaut on 20 meters no less. Here is the best part; it was a pile-up and I only gave him one call. I had just installed the rig. Man, was I elated. Thank you for that information. Rich, n0ce (but not back then) - Original Message - From: Paul VanOveren To: elecraft reflector Sent: Monday, February 18, 2013 5:51 AM Subject: [Elecraft] Meteor explosion in Chelyabinsk, Russia Many on this reflector may know Willy, UA9BA, (UK9AAN) (UP2L) He is probably one of the most well known Russian hams..He and I have been friends since 1977. Here is the return email I received from him regarding his Vladimir Umanets Feb 16 (2 days ago) to Paul Hey buddy!!! Yes we're ALL fine! I was at my office with window jalousie closed. The windows are looking North. The meteor exploded about 20km South of Chelyabinsk and 50 km high. So the explosion couldn't be seen from my windows. Nevertheless it was like this - it started getting brighter and brighter in my office for about 1,5 second then it got very bright for maybe ,5 second, so bright that I almost got blind for a moment and then the light quickly disappeard. I was asking myself what could that be and thought of a nuclear explosion and waited for two minutes if anything else would follow, but nothing happened. But in one more minute this horroble very long and loud crashing sound came! The whole building was quaking with this sound and I clearly felt that the sound and the force came from the above. We all were ordered to leave the building and when we came out we saw this two line trace turning into one line trace with junction point just above our heads and little bit to the South. This cloud was very big and it seemed in very close proximity even though it turned out to be over 50 km away. I looked around and found out that lots and lots of windows were broken. The ambulances started coming in and I saw many people were injured and bleeding some couldn't walk by themselves. It was a very frustrating expirience and many people are still under shock. Even I go over and over those moments and don't feel normal, still kind of excited or something. I don't know what frightened me more the spectacular light, or the hit wave, or those bleeding people. All this happened on Friday morning at the plant I work for. The plant loss is estimated at 85 000 000 R which is en equivl. of 1.5 month salory of our 1900 employees. The plant lost about 25000 sq.m of windows, over 50 doors, lots of equipment (measuring, PCs and so on). This was the day I will remember till my last day. My family is OK. My house (42 km South of Chelyabinsk) lost its windows and that was the only damage to my family. By the way, this explosion woke up my 81 year old mother with its spectacular light. She lives in Troitsk 136 km South of Chelyabinsk. The hit wave came 6+ minutes later and was very strong as mother said. That's how it was. I now feel like I trust in God more and more... 73's GL, Willy UA9BA l __ 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] K3 P3 Spurious signals
K3 [#642] w/P3 in FixTune mode [cursor moves, ends of screen are fixed]. K3 has the resistor mod to increase the 8 MHz IF output. I see them on CW, I haven't tried SSB. I've got a pair of weak, steady spurious signals ~14.5 KHz above and below the VFO A cursor. They tune with the VFO [i.e. I can never tune to them] With a noise floor around -135dBm, they run about -115 dBm. I see them only on 10m, however my noise floor is in the -120 to -115dBm range on other bands and they may be there and I just can't see them. With no antenna, the signals appear to be each bracketed by two very weak bands of noise about 2 KHz wide, about 3 KHz above and below each signal. They only show up on the waterfall [I use a monochrome WF]. The K3 and P3 appear to be working just fine and I only notice them because when I tune VFO A, I end up with faint slanting traces on the WF. Anyone have an explanation? 73, Fred K6DGW - Northern California Contest Club - CU in the 2013 Cal QSO Party 5-6 Oct 2013 - www.cqp.org __ 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 P3 Spurious signals
Hello Fred, I see a very similar thing on my IC-7700. Different frequency spacings but pretty much as you described. They're visible on the band scope but that's it. I can't detect any I'll effect from them. They're so far down to be of no consequence. I write them off as images in the DSP processing that produces the bandscope and appreciate that absolutely nothing is perfect. 73's Peter VK4JD -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Jensen Sent: Tuesday, 19 February 2013 6:42 AM To: Elecraft Reflector Subject: [Elecraft] K3 P3 Spurious signals K3 [#642] w/P3 in FixTune mode [cursor moves, ends of screen are fixed]. K3 has the resistor mod to increase the 8 MHz IF output. I see them on CW, I haven't tried SSB. I've got a pair of weak, steady spurious signals ~14.5 KHz above and below the VFO A cursor. They tune with the VFO [i.e. I can never tune to them] With a noise floor around -135dBm, they run about -115 dBm. I see them only on 10m, however my noise floor is in the -120 to -115dBm range on other bands and they may be there and I just can't see them. With no antenna, the signals appear to be each bracketed by two very weak bands of noise about 2 KHz wide, about 3 KHz above and below each signal. They only show up on the waterfall [I use a monochrome WF]. The K3 and P3 appear to be working just fine and I only notice them because when I tune VFO A, I end up with faint slanting traces on the WF. Anyone have an explanation? 73, Fred K6DGW - Northern California Contest Club - CU in the 2013 Cal QSO Party 5-6 Oct 2013 - www.cqp.org __ 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] Enhancement Request ...
+1 I've been meaning to request this for a while, as I use line-out audio in my remote setup, and in order to get the main RX audio in both ears of my remote headphones when not using the sub-RX, I've had to build a switch box. It'd be nice to not have to use that 73, ~iain / N6ML On Mon, Feb 18, 2013 at 9:37 AM, Joe Subich, W4TV li...@subich.com wrote: Would it be possible to place main RX audio on *both* channels of Line Out when the Sub Rx (Dual RX/Diversity) is *not* selected without resorting to LIN OUT=PHONES? I don't see a downside to having main Rx there and doing so will make it easier to configure dual receive by avoiding the need to change audio input to the software from Left to Right when enabling dual/diversity/split operation. 73, ... Joe, W4TV __ 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] P3 generates noise on 144MHz
The point is that splitting the ground planes in an attempt to isolate them, often makes the situation the PCB designer thought they were fixing much worse. It's a case of knowing where the actual return paths are, and minimizing the length of those return paths. The other half of the EMC equation is proper loading of signal lines, to shape the edges, and suppress ringing. It is far more effective to put series 'ballast' resistors in the signal lines, rather than try to suppress EMC with capacitors across the lines to ground. Please refer to the posted EMC tutorial links I posted below for graphics/explanations. Designing for EMC is not a easy chore, but starting with a bad PCB design will make it almost impossible to suppress systems issues that may crop up after the layout is 'frozen' and the unit is headed for production. At that point, trying to fix the issues with shielding and/or ferrite cores is very expensive, and often doesn't produce the desired results. Nothing short of re-laying out the offending PCB will suffice in the majority of cases. 73, -- Dave, N8SBE Original Message Subject: Re: [Elecraft] P3 generates noise on 144MHz From: hawley, charles j jr c-haw...@illinois.edu Date: Mon, February 18, 2013 1:08 pm To: Dave New, N8SBE n8...@arrl.net Cc: Roger Crofts ro...@monitorsensors.com,elecraft reflector elecraft@mailman.qth.net What does the zig zag gap look like and what is the issue with it? Or...how does it contribute to the noise? Thanks, Sent from my iPad Chuck, KE9UW (Jack for BMW motorcycles) On Feb 18, 2013, at 11:42 AM, Dave New, N8SBE n8...@arrl.net wrote: Roger saith: When I had the I/O printed circuit board out of the case, I noticed that the earth planes for the power supply section and RS232 section are separated by a zig zag gap. Ouch! That indicates that whoever laid out the board had no idea that 'gapping' the board is a BAD IDEA(tm). Please, whoever was responsible for laying out the I/O board for the P3, go to this site, and learn what REALLY has to be done to properly design PC boards for EMC: http://www.learnemc.com/index.html I attended a whirlwind 4-hour course on automotive EMC at last year's Freescale Technology Forum that was a very compressed version of the 2-day courses shown on the LearnEMC home page, and it was a real eye-opener. If there is anything critical as a take away from that experience, it was that the PCB layout will make-or-break your EMC issues, and is the best and most cost-effective way to stop EMC issues, rather than trying to use ferrites, etc. after the fact, all of which will never be as effective. If you can't do the two-day course (highly recommended) there are free extensive tutorials to be found at the EMC Tutorials link on the main page: http://www.learnemc.com/EMC-Tutorials.html It's all good stuff, and should be mandatory learning for anyone laying out PC boards these days. 73, -- Dave, N8SBE Original Message Subject: Re: [Elecraft] P3 generates noise on 144MHz From: Roger Crofts ro...@monitorsensors.com Date: Tue, February 12, 2013 6:02 pm To: elecraft reflector elecraft@mailman.qth.net Last night I cleaned all mating metal surfaces in the P3 but, alas, this made no difference. The noise was still at S6. When I had the I/O printed circuit board out of the case, I noticed that the earth planes for the power supply section and RS232 section are separated by a zig zag gap. They are commoned together towards the inner edge. This has the effect of lengthening the route of RF currents from the earthy side of C500 to the metal case. My thoughts are that C500 will do a great job of removing RF differential mode voltages across the power cord. It will not do such a good job of removing common mode RF voltages from the power cord. I believe it is the common mode RF voltages that are the problem. This was confirmed when I replaced the power cord with a coaxial one (as suggested by John, G4ZTR). This made no difference to the noise. I found a ferrite ring which was large enough to pass the power plug through it. In fact I passed the plug through it three times to form two tight turns and I moved this choke as close as possible to the P3 power socket. The result was that the noise dropped to S4. Almost there! I think it would be better if the filter was totally inside the P3 case. I will try that next. Roger Crofts, VK4YB __ 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
Re: [Elecraft] K3 P3 Spurious signals
On 18/02/2013 20:57, Peter Lambert wrote: Hello Fred, I see a very similar thing on my IC-7700. Different frequency spacings but pretty much as you described. They're visible on the band scope but that's it. I can't detect any I'll effect from them. They're so far down to be of no consequence. I write them off as images in the DSP processing that produces the bandscope and appreciate that absolutely nothing is perfect. 73's Peter VK4JD Fred, Peter: have you replaced the Elecraft supplied BNC-BNC cable? I had very similar problems because the cable shield was improperly crimped at both ends. A BNC cable from the junk box cured the problem almost completely. -- 73 from Ian GM3SEK -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Jensen Sent: Tuesday, 19 February 2013 6:42 AM To: Elecraft Reflector Subject: [Elecraft] K3 P3 Spurious signals K3 [#642] w/P3 in FixTune mode [cursor moves, ends of screen are fixed]. K3 has the resistor mod to increase the 8 MHz IF output. I see them on CW, I haven't tried SSB. I've got a pair of weak, steady spurious signals ~14.5 KHz above and below the VFO A cursor. They tune with the VFO [i.e. I can never tune to them] With a noise floor around -135dBm, they run about -115 dBm. I see them only on 10m, however my noise floor is in the -120 to -115dBm range on other bands and they may be there and I just can't see them. With no antenna, the signals appear to be each bracketed by two very weak bands of noise about 2 KHz wide, about 3 KHz above and below each signal. They only show up on the waterfall [I use a monochrome WF]. The K3 and P3 appear to be working just fine and I only notice them because when I tune VFO A, I end up with faint slanting traces on the WF. Anyone have an explanation? 73, Fred K6DGW - Northern California Contest Club - CU in the 2013 Cal QSO Party 5-6 Oct 2013 __ 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] Bridging L-R of stereo Line Out for single channel diversity RTTY
I'm wondering if diversity receive might help with RTTY decoding, to reduce deep fades. I shorted together the left and right channels from the Line Out jack on the back of the K3, and fed them to right input of computer sound card. (The left input of sound card is connected to a TS-850, for SO2R.) I was concerned that bridging the two audio channels in this way would cause the diversity separation in the headphones to be lost (e.g., when operating CW, and having the bridged audio line for RTTY decoding still connected). But the headphones seem to still work as before, with separate channels audible, L-R. I'm guessing there's a buffer amplifier that feeds the rear panel line out jack, so that shorting those channels doesn't effectively short the other audio L/R outputs (e.g., headphones). Does anyone know for sure? 'Anyone see a downside to this approach? (I recognize I might be trading one problem for another: instead of QSB in one channel, I now might sometimes have the L- and R-channels equal in amplitude and out of phase, leading to a nil combined signal for the decoder at odd intervals. But that seems a low probability.) Tnx, /Bill, K2PO __ 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 P3 Spurious signals
Fred and I discussed this problem off line a couple of weeks ago as I have the same thing here. I did wiggle and re-seat my BNC cable but did not try another one. I will try that first thing in the morning when I get home as I found wiggling the cable did alter it a bit. Thanks Ian, Dave W8FGU On 02/18/2013 05:19 PM, Ian White wrote: Fred, Peter: have you replaced the Elecraft supplied BNC-BNC cable? I had very similar problems because the cable shield was improperly crimped at both ends. A BNC cable from the junk box cured the problem almost completely. __ 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] Bridging L-R of stereo Line Out for single channel diversity RTTY
Classically, in ye olde days of mechanical printers, diversity combing was done post detection in the modem. Two receivers feeding two modems, and the detector outputs of the two modems were combined with a switching device that selected the output with the best SNR. With CW, the operator's wet-ware can separate the two channels and perform a version of best channel selection. Jack K8ZOA On 2/18/2013 6:15 PM, conw...@aracnet.com wrote: I'm wondering if diversity receive might help with RTTY decoding, to reduce deep fades. I shorted together the left and right channels from the Line Out jack on the back of the K3, and fed them to right input of computer sound card. (The left input of sound card is connected to a TS-850, for SO2R.) I was concerned that bridging the two audio channels in this way would cause the diversity separation in the headphones to be lost (e.g., when operating CW, and having the bridged audio line for RTTY decoding still connected). But the headphones seem to still work as before, with separate channels audible, L-R. I'm guessing there's a buffer amplifier that feeds the rear panel line out jack, so that shorting those channels doesn't effectively short the other audio L/R outputs (e.g., headphones). Does anyone know for sure? 'Anyone see a downside to this approach? (I recognize I might be trading one problem for another: instead of QSB in one channel, I now might sometimes have the L- and R-channels equal in amplitude and out of phase, leading to a nil combined signal for the decoder at odd intervals. But that seems a low probability.) Tnx, /Bill, K2PO __ 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] KPA-500 AM Performance?
We all know that in AM mode the K3 sets carrier power at 25% of the power set with the PWR control. Can anyone confirm that the K3 switches in the 100W PA in AM mode when the PWR is set at 13 watts or greater even though the actual carrier power is limited to approximately 25% or 3+ watts? I hear the relay switch when moving PWR from 12 to 13 watts, but I would like to ensure that the 100W PA is actually on and the low power amp is not being over driven when PWR is set to 32 watts (to drive the KPA500) while the carrier drive is running at 8 watts. At this setting the KPA500 carrier power is about 125 watts and peak power hits around 500 watts or a little less. Just being extra cautious about the K3's low power amp I suppose! --- Chuck, AE4CW - --- Chuck, AE4CW -- View this message in context: http://elecraft.365791.n2.nabble.com/KPA-500-AM-Performance-tp7570084p7570115.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] KPA-500 AM Performance?
Chuck, The power knob is set to the PEP value, not the carrier power. Since you hear the relay click, the 100W PA is switched in. The AM carrier level and sideband level is controlled by the math functions in the DSP so that the PEP is the same as the setting on the power knob - yes, the carrier power will be 25% of that PEP value. 73, Don W3FPR On 2/18/2013 8:18 PM, Chuck - AE4CW wrote: We all know that in AM mode the K3 sets carrier power at 25% of the power set with the PWR control. Can anyone confirm that the K3 switches in the 100W PA in AM mode when the PWR is set at 13 watts or greater even though the actual carrier power is limited to approximately 25% or 3+ watts? I hear the relay switch when moving PWR from 12 to 13 watts, but I would like to ensure that the 100W PA is actually on and the low power amp is not being over driven when PWR is set to 32 watts (to drive the KPA500) while the carrier drive is running at 8 watts. At this setting the KPA500 carrier power is about 125 watts and peak power hits around 500 watts or a little less. Just being extra cautious about the K3's low power amp I suppose! --- Chuck, AE4CW __ 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] KX3 Upgrades
Which will come first the KX3 2 meter board or the 100W amp? R Thorpe K6CG __ 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] KX3 Upgrades
Direct from one of the Elecraft Twins: We prioritized the amp ahead of it (same engineer on both projects). I'm guessing we'll be field-testing 2-meter modules around Dayton, assuming all goes well. (Did I mention this thing is incredibly small?) 73, Wayne N6KR On Mon, Feb 18, 2013 at 8:30 PM, Richard Thorpe kis...@me.com wrote: Which will come first the KX3 2 meter board or the 100W amp? R Thorpe K6CG __ 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] How to program the K3 PF buttons to control a KRC2?
Help, I am posting this again. Is there some way to program the PF buttons on a K3 to control a KRC2 connected to the AUX bus? I would like to be able to use the PF buttons to manually select antennas on a remote switch and control other items at my remote location with the PF1 and PF2 buttons. 73, - Craig, AE6RR __ 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] P3 generates noise on 144MHz
I would add further noise to the noise concerns... during the process of repairing PC's/Macs/etc. it is very apparent there are a plethora of pathetic power supplies and converting devices in the shack. My P3 detects them very well. The great thing about the P3 is I can disconnect and find the offenders. It's nice my antennas are relatively far away but the idea of shack noise, which does affect all my receiving equipment, it is very helpful to note the noise floor on the P3... The power connection to the P3 appears to need coaxial shielding and filtering, IMHO. I have mine connected via the K3 power, and it is via a simple power splitter. This isn't so hot. 73, Bill K9YEQ -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Roger Crofts Sent: Sunday, February 17, 2013 4:55 PM To: elecraft reflector Subject: Re: [Elecraft] P3 generates noise on 144MHz I fitted a commercial EMI filter (intended for 240V AC operation) inside my P3. It is a fully sealed unit with solder tags. This unit was connected in the + and - DC supply line. This filter completely removed any trace of noise from the power cord to the P3. I used a short coax with a one inch extension of the center wire to act as a sniffer to determine where the noise was coming from. This coax was connected to the K144XV input. Did this solve the problem? No! not entirely. I discovered there was now a small amount of noise being radiated from the RS232 lead and the IF input coax. These cables had been free of noise before. It seems to me that it is acting a bit like a boiling kettle - Block the spout and the steam comes out the holes in the lid! Why was there so much noise generation in the first place? I used my sniffer inside the P3 box to try and track down the precise source of the noise. But no luck. The noise was overwhelming everywhere at S9 + 20dB rising to S9 + 40dB near any of the ICs. This was on any frequency in the 2 meter band and beyond. At this point I re-visited the earthing between the panels that make up the P3 box. If you have been following this thread, you will know that I had previously cleaned all the mating surfaces. I looked again at the front panel. It is connected by four screws to the corner blocks. You can see where rectangles of masking tape have been placed to prevent the black paint from reaching the area which will mate with the corner blocks. The masking tape has not quite reached the edge of the board, leaving a one mm wide strip of paint right at both corner edges. It seemed very unlikely that this was preventing a good connection between the panels. Nevertheless I removed all trace of the paint in all four corners of both the front and back panels using a file and sharp knife. Did this have any effect? Well Yes! It reduced the noise by about 6dB. The noise which had started at S9 + 5dB was now down to about S3 which was the target value. The carriers at 19KHz spacing were just, but only just, perceptible with the 2 meter antenna connected. It would have been interesting to know what the noise would now be like without the EMI filter. Sorry guys (and gals), I did not do that experiment. When you have got something that works - leave it alone! I was also able to connect my other accessories to the switched 12V line from the K3 without affecting the noise. Another effect of my paint scraping exercise was that the position of the P3 was no longer critical. Before, if I pulled the P3 forward, the noise went down, but returned with the P3 in its correct position aligned with the K3. Roger Crofts, VK4YB __ 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] KX3 Upgrades
So, which one is the evil twin? - Jim,KL7CC Direct from one of the Elecraft Twins: We prioritized the amp ahead of it (same engineer on both projects). I'm guessing we'll be field-testing 2-meter modules around Dayton, assuming all goes well. (Did I mention this thing is incredibly small?) 73, Wayne N6KR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] ATT level on K3
Bruce, I have noted this as well. I rarely use the RF gain. I am a SSB user. The Attenuator elevates the noise level. I prefer to use it to eliminate the noise level. I see a level increase of ~ +3 db. as it appears on the P3. Audible noise also appears to increase but I have not measured it. 73, Bill K9YEQ K2 FT, KX1 FT, KX3 FT, KAT500 FT -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bruce Beford Sent: Sunday, February 17, 2013 5:12 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] ATT level Hi Jorge, Assuming you are asking about the K3, No there is no easy way without modifying the unit, to make the ATT greater than the fixed amount. Why not just reduce the RF gain? -Bruce, N1RX Hi Is any way to increase ATT level? How many dB´s ATT is reducing? Seems not enough this weekend! __ 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] Bridging L-R of stereo Line Out for single channel diversity RTTY
I guess this could be done in software these days. It is possible to feed left and right channels to two separate RTTY decoder instances and interpolate the decodes by eye at the level of the decoded text, but I'd have thought some cunning software ought to do a better job of comparing/combining signals using their strengths, SNR or some other quality measure, bit-by-bit. Or something. 73 Gary ZL2iFB -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft- boun...@mailman.qth.net] On Behalf Of Jack Smith Sent: Tuesday, 19 February 2013 12:51 p.m. To: elecraft@mailman.qth.net Subject: Re: [Elecraft] Bridging L-R of stereo Line Out for single channel diversity RTTY Classically, in ye olde days of mechanical printers, diversity combing was done post detection in the modem. Two receivers feeding two modems, and the detector outputs of the two modems were combined with a switching device that selected the output with the best SNR. With CW, the operator's wet-ware can separate the two channels and perform a version of best channel selection. Jack K8ZOA On 2/18/2013 6:15 PM, conw...@aracnet.com wrote: I'm wondering if diversity receive might help with RTTY decoding, to reduce deep fades. I shorted together the left and right channels from the Line Out jack on the back of the K3, and fed them to right input of computer sound card. (The left input of sound card is connected to a TS-850, for SO2R.) I was concerned that bridging the two audio channels in this way would cause the diversity separation in the headphones to be lost (e.g., when operating CW, and having the bridged audio line for RTTY decoding still connected). But the headphones seem to still work as before, with separate channels audible, L-R. I'm guessing there's a buffer amplifier that feeds the rear panel line out jack, so that shorting those channels doesn't effectively short the other audio L/R outputs (e.g., headphones). Does anyone know for sure? 'Anyone see a downside to this approach? (I recognize I might be trading one problem for another: instead of QSB in one channel, I now might sometimes have the L- and R-channels equal in amplitude and out of phase, leading to a nil combined signal for the decoder at odd intervals. But that seems a low probability.) Tnx, /Bill, K2PO __ 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 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. __ 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] How to program the K3 PF buttons to control a KRC2?
Craig, What specifically do you want to do? The KRC2 does select different outputs according to the band the K3 is on, so the band outputs can operate your antenna selection on the remote switch. The KRC2 configurator program can assist with the which band(s) selects which KRC2 output. Why do you need additional control from the K3? The KRC2 ACC outputs are only accessible from the buttons on the KRC3 itself, and are not accessible through AUXBUS commands as far as I know. I do not think the PF1 nor PF2 buttons are capable of issuing any AUXBUS commands. Check the K3 Programmer's Reference for the commands that can be executed with macros. I see none that directly control the AUXBUS. 73, Don W3FPR On 2/18/2013 9:24 PM, Craig - AE6RR wrote: Help, I am posting this again. Is there some way to program the PF buttons on a K3 to control a KRC2 connected to the AUX bus? I would like to be able to use the PF buttons to manually select antennas on a remote switch and control other items at my remote location with the PF1 and PF2 buttons. __ 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] Adapter to use KXUSB with the KPA500
I have just completed the firmware upgrade on the KAT500 and found it a breeze with the supplied KXUSB cable. It got me wondering why nobody has come up with an adapter (so it could be used with the KPA500) by mounting a 3.5mm stereo socket in the back of the 9 pin serial connector and wiring the appropriate connections. Is this possible? I'm fairly sure if the KPA500 was on the drawing board right now it would have the 3.5mm computer interface socket the same as the KAT500. Peter, VK3IJ -- View this message in context: http://elecraft.365791.n2.nabble.com/Adapter-to-use-KXUSB-with-the-KPA500-tp7570125.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] KX3 Upgrades
The one that didn't give you what you wanted first...:-) Chuckle Gary On 19 February 2013 13:37, Jim Wiley jwi...@gci.net wrote: So, which one is the evil twin? - Jim,KL7CC Direct from one of the Elecraft Twins: We prioritized the amp ahead of it (same engineer on both projects). I'm guessing we'll be field-testing 2-meter modules around Dayton, assuming all goes well. (Did I mention this thing is incredibly small?) 73, Wayne N6KR __**__**__ Elecraft mailing list Home: http://mailman.qth.net/**mailman/listinfo/elecrafthttp://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.**htmhttp://mailman.qth.net/mmfaq.htm Post: mailto:elecr...@mailman.qth.**net Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -- *Gary - VK1ZZ Skype: Gary.VK1ZZ Motorhome Portable The Shack* *Elecraft K3 P3 Panadapter KPA500FT KAT500FT** KX3-K * __ 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] Adapter to use KXUSB with the KPA500
Something vaguely similar to this, perhaps: www.G4iFB.com/W2_programming_lead.jpg I appear to have misplaced the Elecraft-supplied serial programming lead for my W2 wattmeter - no big deal until I came to change the SWR alarm settings. So I made one up from junk-box bits. All I need to do now is attach a big fluorescent sign that reads Not junk! 73 Gary ZL2iFB -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft- boun...@mailman.qth.net] On Behalf Of peterc281 Sent: Tuesday, 19 February 2013 4:44 p.m. To: elecraft@mailman.qth.net Subject: [Elecraft] Adapter to use KXUSB with the KPA500 I have just completed the firmware upgrade on the KAT500 and found it a breeze with the supplied KXUSB cable. It got me wondering why nobody has come up with an adapter (so it could be used with the KPA500) by mounting a 3.5mm stereo socket in the back of the 9 pin serial connector and wiring the appropriate connections. Is this possible? I'm fairly sure if the KPA500 was on the drawing board right now it would have the 3.5mm computer interface socket the same as the KAT500. Peter, VK3IJ -- View this message in context: http://elecraft.365791.n2.nabble.com/Adapter-to-use-KXUSB-with-the- KPA500-tp7570125.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 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. __ 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] Adapter to use KXUSB with the KPA500
More like this .. http://elecraft.365791.n2.nabble.com/file/n7570128/P1020502.jpg -- View this message in context: http://elecraft.365791.n2.nabble.com/Adapter-to-use-KXUSB-with-the-KPA500-tp7570125p7570128.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] How to program the K3 PF buttons to control a KRC2?
The KRC2 ACC outputs are very explicitly available through the K3's ACC menu control. what Craig needs help with is some way to access that control using macros. So the question is how to access that menu setting in the K3. Any ideas? JackB, W6FB Sent from my iPad On Feb 18, 2013, at 7:35 PM, Don Wilhelm w3...@embarqmail.com wrote: Craig, What specifically do you want to do? The KRC2 does select different outputs according to the band the K3 is on, so the band outputs can operate your antenna selection on the remote switch. The KRC2 configurator program can assist with the which band(s) selects which KRC2 output. Why do you need additional control from the K3? The KRC2 ACC outputs are only accessible from the buttons on the KRC3 itself, and are not accessible through AUXBUS commands as far as I know. I do not think the PF1 nor PF2 buttons are capable of issuing any AUXBUS commands. Check the K3 Programmer's Reference for the commands that can be executed with macros. I see none that directly control the AUXBUS. 73, Don W3FPR On 2/18/2013 9:24 PM, Craig - AE6RR wrote: Help, I am posting this again. Is there some way to program the PF buttons on a K3 to control a KRC2 connected to the AUX bus? I would like to be able to use the PF buttons to manually select antennas on a remote switch and control other items at my remote location with the PF1 and PF2 buttons. __ 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
