Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.
In the UK there have been many complaints about RFI from Panasonic Plasma TV's. Some people have had success in getting the problem resolved, generally by the entire screen assembly being changed out. Others have received the same sort of response as you. Luckily my neighbour who had a very noisy one recently moved away. As I write this mail I am looking at the last Panasonic product in this house, a cordless phone. When that has gone Kaput, that's it...No more Panasonic. I operate a strict Goods in inspection of all electrical products. Using a Spectrum Analyser and a general coverage SONY receiver I check it for RFI . If bad, the item is returned for a refund. If very bad I get in touch with my local Trading Standards Office who are meant to police what is sold in the UK. 73 Stewart G3RXQ On Thu, 25 Nov 2010 11:41:59 -0800, Ron Gould wrote: I had a Panasonic Plasma TV that not only caused radio interference but also heated up my bedroom in a central air conditioned house so much that I could not be comfortable especially in the summer. I first contacted Panasonic about these problems and they were of NO HELP. The representative told me on the phone I should have researched on the Internet that all Plasma TV's cause radio interference and that nothing could be done. I really could not believe their position. I asked to speak to a supervisor who told me the same thing. Thats when I made a great decision. I decided right there on the spot, I would never own another Panasonic product for the rest of my life. I contacted Costco where I had purchased the TV eight months prior and spoke to the the manager explaining the situation and told him I was very unhappy with the Plasma TV. Even though I had purchased the TV beyond their return date policy and had none of the original packaging, they took it back and issued me a full 100% refund. This is how I filtered the noise out and will continue to filter out Panasonic products forever. I replaced all TV's since with LCD/LED TV's that seem to have better picture quality and have noted reduced electric bills. I also decided to sell all Panasonic products I had. Panasonic will remain on my personal blacklist as a result of their stellar customer service not to mention IMHO bad products. I also have eliminated all Japanese HF radios and support equipment because YaKenCom have not been much better with their support strategies and obsolescence policies. I have had many and I do not think they hold up over time. They are throw away electronic junk once they break and will. Years ago when the American Amateur Radio market was taken over by the Japanese because the companies were closing down here, the Japanese companies had the only game in town. That has changed and Elecraft, Ten Tec, Alpha and others are building better products in my opinion than the foreign competition and providing after market support the Japanese simply do not match or even come close too. If you even think the Japanese were the worst, wait till you try for support on your Chinese products when they fall apart. Amen! 73's Ron kd...@comcast.net __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ 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 Ant 1?
Need help with some troubleshooting...here is the background: After being gone for a month I returned to find that my iMac would not boot up, the LP100 display had noticeably dimmed and my Steppir 3 ele beam had super high SWR on 20m only. Although I had disconnected p/s and antennas, we had an unusual amount of t-storm activity while gone. I assumed that static discharges had somehow placed gremlins into my shack. The local Apple guy was able to get the iMac running with no loss of data and Larry kindly helped with getting the latest display chips installed but that left the Steppir...why it worked great on 17-6m and it was a mystery on 20m with infinite swr across the band, even after doing the calibrate procedure. Yesterday I decided to upgrade the software of my Orion II and then later the K3. After the O II upgrade I connected the Steppir and was surprised to see that the swr was normal across the 20m band; I then tried it on the K3, infinite swr...I then tried a dummy load on the k3 and yes, infinite swr but only on 20m. I then moved the dummy load to Ant 2 and all was fine. I then hooked the Steppir to Ant 2 and everything is working great. So, here is the question. If the SO239 was bad at Ant1, why does it work on all bands except 20m? Unfortunately, this was a factory built unit, #250, so my knowledge of the insides is very sketchy. What do I need to look for? Tnx Tom CX7TT aka CW7T in CQ WW cw... __ 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 Ant 1?
Need help with some troubleshooting...here is the background: After being gone for a month I returned to find that my iMac would not boot up, the LP100 display had noticeably dimmed and my Steppir 3 ele beam had super high SWR on 20m only. Although I had disconnected p/s and antennas, we had an unusual amount of t-storm activity while gone. I assumed that static discharges had somehow placed gremlins into my shack. The local Apple guy was able to get the iMac running with no loss of data and Larry kindly helped with getting the latest display chips installed but that left the Steppir...why it worked great on 17-6m and it was a mystery on 20m with infinite swr across the band, even after doing the calibrate procedure. Yesterday I decided to upgrade the software of my Orion II and then later the K3. After the O II upgrade I connected the Steppir and was surprised to see that the swr was normal across the 20m band; I then tried it on the K3, infinite swr...I then tried a dummy load on the k3 and yes, infinite swr but only on 20m. I then moved the dummy load to Ant 2 and all was fine. I then hooked the Steppir to Ant 2 and everything is working great. So, here is the question. If the SO239 was bad at Ant1, why does it work on all bands except 20m? Unfortunately, this was a factory built unit, #250, so my knowledge of the insides is very sketchy. What do I need to look for? Tnx Tom CX7TT aka CW7T in CQ WW cw... __ 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 Ant 1?
Tom, So, here is the question. If the SO239 was bad at Ant1, why does it work on all bands except 20m? Unfortunately, this was a factory built unit, #250, so my knowledge of the insides is very sketchy. What do I need to look for? Before doing anything else, connect the dummy load to Ant 1, turn on the ATU and run a couple ATU Tune cycles. The K3 stores antenna and tuner data on a per antenna per band basis and it's possible that the data has gotten scrambled. If nothing else running the ATU Tune cycle might get the tuner off a bad setting 73, ... Joe, W4TV On 11/26/2010 5:23 AM, cx...@4email.net wrote: Need help with some troubleshooting...here is the background: After being gone for a month I returned to find that my iMac would not boot up, the LP100 display had noticeably dimmed and my Steppir 3 ele beam had super high SWR on 20m only. Although I had disconnected p/s and antennas, we had an unusual amount of t-storm activity while gone. I assumed that static discharges had somehow placed gremlins into my shack. The local Apple guy was able to get the iMac running with no loss of data and Larry kindly helped with getting the latest display chips installed but that left the Steppir...why it worked great on 17-6m and it was a mystery on 20m with infinite swr across the band, even after doing the calibrate procedure. Yesterday I decided to upgrade the software of my Orion II and then later the K3. After the O II upgrade I connected the Steppir and was surprised to see that the swr was normal across the 20m band; I then tried it on the K3, infinite swr...I then tried a dummy load on the k3 and yes, infinite swr but only on 20m. I then moved the dummy load to Ant 2 and all was fine. I then hooked the Steppir to Ant 2 and everything is working great. So, here is the question. If the SO239 was bad at Ant1, why does it work on all bands except 20m? Unfortunately, this was a factory built unit, #250, so my knowledge of the insides is very sketchy. What do I need to look for? Tnx Tom CX7TT aka CW7T in CQ WW cw... __ 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 Ant 1?
A relay switches the KAT3 output between Ant 1 and Ant 2 and there's a discharge tube on each Ant circuit. It sounds like the relay or the discharge tube circuit on Ant 1 has been damaged. Suggest you send an e-mail to k3support at elecraft dot com and they'll help you get it put right. 73, Ron AC7AC -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of cx...@4email.net Sent: Friday, November 26, 2010 2:24 AM To: elecraft@mailman.qth.net Subject: [Elecraft] K3 Ant 1? Need help with some troubleshooting...here is the background: After being gone for a month I returned to find that my iMac would not boot up, the LP100 display had noticeably dimmed and my Steppir 3 ele beam had super high SWR on 20m only. Although I had disconnected p/s and antennas, we had an unusual amount of t-storm activity while gone. I assumed that static discharges had somehow placed gremlins into my shack. The local Apple guy was able to get the iMac running with no loss of data and Larry kindly helped with getting the latest display chips installed but that left the Steppir...why it worked great on 17-6m and it was a mystery on 20m with infinite swr across the band, even after doing the calibrate procedure. Yesterday I decided to upgrade the software of my Orion II and then later the K3. After the O II upgrade I connected the Steppir and was surprised to see that the swr was normal across the 20m band; I then tried it on the K3, infinite swr...I then tried a dummy load on the k3 and yes, infinite swr but only on 20m. I then moved the dummy load to Ant 2 and all was fine. I then hooked the Steppir to Ant 2 and everything is working great. So, here is the question. If the SO239 was bad at Ant1, why does it work on all bands except 20m? Unfortunately, this was a factory built unit, #250, so my knowledge of the insides is very sketchy. What do I need to look for? Tnx Tom CX7TT aka CW7T in CQ WW cw... __ 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] Plasma TV Noise any ideas on how to filter it out.
Hi all, I am curious as to what this noise sounds like. I don't think I have any of it but it would be nice to be able to recognize it if someone in the neighborhood should get one. Could someone with the noise provide an audio clip? I can host the clip for anyone with limited options, although I think there is space in the files section. AB2TC - Knut Stewart Baker wrote: In the UK there have been many complaints about RFI from Panasonic Plasma TV's. Some people have had success in getting the problem resolved, generally by the entire screen assembly being changed out. Others have received the same sort of response as you. Luckily my neighbour who had a very noisy one recently moved away. snip -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5777925.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] K3 Configuration Question
I have K3 #2808 that I purchased used about 6 months ago. This week, I added the KAT3 antenna tuner and the 400 and 250 Hz 8-pole filters. All I can say is WOW!!! Now for my questionIs there a way to make the frequency follow the mode per band (or has this been discussed already and I missed it)? For instance, if I was on 14.228 on USB and changed to CW where I was last at 14.005, is there a way to make it follow the mode for that band? Then if I went to data where I was at 14.080, can it go to that point? Just curious if I missed something in the manual. Have a great Thanksgiving weekend everyone. I love my K3. Larry, KN8N __ 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] KAT2: voltage reading
Don, thank you - everything looks fine. The tuner seems to work. 73! de Werner OE9FWV Don Wilhelm schrieb am 25 Nov 2010 um 19:59: Werner, You have obtained a better than normal adjustment - normally 008 and above is considered OK. I believe there is a statement to that effect somewhere in the manual. I would guess that the 2.4 volts is OK. That may change when you finish the power calibration. Connect R6 (47 ohms if the K60XV is not installed, or 470 ohms with the K60XV) and see what happens. 73, Don W3FPR On 11/25/2010 6:03 PM, Dr. Werner Furlan wrote: I am in the course of finishing the KAT2 assembly. I did the C55 adjustment like discribed on page 16: Press T U N E button and release it when you see the display change. Adjust C55 for an indication as close as possible to 0 0 0 . Tap or hold T U N E again to cancel the C A L n display and return to receive mode I get as close as 007 - is this normal or indicating a problem? next question: On page 17 of the assembly manual at this point: -- Go into TUNE mode briefly. At 5 watts, the voltage should be between 3 and 4 volts. If it is much lower or higher than this, you probably have a wiring error in the SWR bridge. Remove the KAT2 control board from the L-C board and check the wiring of T1. Make sure T1's leads are properly stripped. -- I have a reading of only 2.4 V. I checked the T1 wiring but do not see a mistake. Should I go on and add R6 or should I remove T1 and check it outside the board? -- False hope is nicer than no hope at all. Email powered by Pegasus Mail free at http://www.pmail.com Homepage: http://www.qsl.net/oe9fwv/ Fone +43 5522 75013 Fax +43 5522 22505 Mobile +43 664 6340014 Fax-Email Gateway +43 820 220262990 __ 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] Plasma TV Noise any ideas on how to filter it out.
Maybe this older article will help. http://www.eham.net/articles/4285 73 de Brian/K3KO On 11/26/2010 17:02, ab2tc wrote: Hi all, I am curious as to what this noise sounds like. I don't think I have any of it but it would be nice to be able to recognize it if someone in the neighborhood should get one. Could someone with the noise provide an audio clip? I can host the clip for anyone with limited options, although I think there is space in the files section. AB2TC - Knut Stewart Baker wrote: In the UK there have been many complaints about RFI from Panasonic Plasma TV's. Some people have had success in getting the problem resolved, generally by the entire screen assembly being changed out. Others have received the same sort of response as you. Luckily my neighbour who had a very noisy one recently moved away. snip - No virus found in this message. Checked by AVG - www.avg.com Version: 10.0.1170 / Virus Database: 426/3281 - Release Date: 11/26/10 __ 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] Plasma TV Noise any ideas on how to filter it out.
Hi, Interesting article. I take some consolation in the fact that the article goes all the way back to 2002. Maybe the predicted onslaught of these TV hasn't happened. I have two LCD TVs and have never considered going to a plasma device. The LCD TVs are relatively benign, although I can hear the 3rd harmonic of the color burst crystal around the clock. In general I am very happy to be rid of the last CRT in all TVs and computer monitors as of last year. LCDs are much quieter than CRTs. AB2TC - Knut alsopb wrote: Maybe this older article will help. http://www.eham.net/articles/4285 73 de Brian/K3KO snip -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5778138.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] Plasma TV Noise any ideas on how to filter it out.
So based on all the information the best bet is a MFJ 1026 sound cancelling system and that is a hit our miss solution. The next question that I have is there any similar devices made by different companies so one can compare options. I am willing to try a solution like this as its much cheaper than replacing the TV, also it might work on other noise that is outside of my house. Thx Don KD8NNU __ 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] Plasma TV Noise any ideas on how to filter it out.
The ANC-4 is the original design for active cancelling systems. It can be VERY effective. Try mounting the sense antenna as close to the offending TV as possible. http://www.timewave.com/support/ANC-4/anc4.html 73 Gene K1NR K2 6Kxx On Fri, 26 Nov 2010 13:35:26 -0500 (EST) gold...@charter.net wrote: So based on all the information the best bet is a MFJ 1026 sound cancelling system and that is a hit our miss solution. The next question that I have is there any similar devices made by different companies so one can compare options. I am willing to try a solution like this as its much cheaper than replacing the TV, also it might work on other noise that is outside of my house. Thx Don KD8NNU __ 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 - Web mail provided by NuNet, Inc. The Premier National provider. http://www.nni.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] Plasma TV Noise
On Fri, 2010-11-26 at 09:02 -0800, ab2tc wrote: Hi all, I am curious as to what this noise sounds like. I don't think I have any of it but it would be nice to be able to recognize it if someone in the neighborhood should get one. Could someone with the noise provide an audio clip? I can host the clip for anyone with limited options, although I think there is space in the files section. If you have an older set of wireless headphones (infrared), place the wireless transmitter in front of the tellie then turn the remote on, you will get an earful of continuos hash in your ears. That should give you an idea. When you turn your head away from the screen, the noise is reduced, (but the audio drops out because of line-of-site limitation of infrared). BTW: My Sony (not a plasma) generates hash with my old headset but does not cause interference to ham radio. Because of the above, I bought a more recent headset that is not affected with these problems. I am almost deaf and need the headphones when CC is not on, to hear the tellie. 72, Ron, wb1hga we all get heavier as we age. That's because there's more information in our heads __ 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] Plasma TV Noise any ideas on how to filter it out.
Panasonic stuff isn't all bad! We have two Panasonic LCD TV's here. Both have very good pictures and neither is a QRM generator. Whilst I understand the motivation to boycott their products, I feel that giving the vote of confidence to their RF quiet products in preference to their heavily promoted, noisy, devices still sends an appropriate message to Panasonic. A few months back their website was running an article that actively encouraged consumers to purchase Plasma instead of LCD TV's by massively downplaying the drawbacks of Plasma. Strangely there was no mention of QRM! I guess you might know this, Stewart. Are there ANY quiet Plasma TV's out there? To get back vaguely on topic, the combination of K3 and LP-Pan displays a very distinctive signature for Plasma TV's. Fortunately there aren't too many of them round here, they're not too loud and they're rarely all on at the same time. Rather than filtering, I find the best defence is the MFJ-1025. It cancels the Plasma QRM every time. 73, Phil, GJ4CBQ. On 26/11/2010 09:37, Stewart wrote: As I write this mail I am looking at the last Panasonic product in this house, a cordless phone. When that has gone Kaput, that's it...No more Panasonic. 73 Stewart G3RXQ __ 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] Plasma TV Noise any ideas on how to filter it out.
$10 more than a MFJ 1026, so I guess I give someone else than MFJ my money. When I get it I will give a review to the list. Thx Don KD8NNU On Fri, Nov 26, 2010 at 1:42 PM, Eugene Balinski wrote: The ANC-4 is the original design for active cancelling systems. It can be VERY effective. Try mounting the sense antenna as close to the offending TV as possible. http://www.timewave.com/support/ANC-4/anc4.html 73 Gene K1NR K2 6Kxx On Fri, 26 Nov 2010 13:35:26 -0500 (EST) gold...@charter.net wrote: So based on all the information the best bet is a MFJ 1026 sound cancelling system and that is a hit our miss solution. The next question that I have is there any similar devices made by different companies so one can compare options. I am willing to try a solution like this as its much cheaper than replacing the TV, also it might work on other noise that is outside of my house. Thx Don KD8NNU __ 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 - Web mail provided by NuNet, Inc. The Premier National provider. http://www.nni.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] Plasma TV Noise any ideas on how to filter it out.
Hi Don, The JPS ANC-4 is similar to and preceded the MFJ unit. It lacks the 'Peak and Invert' feature of the MFJ. I suspect it is sometimes easier to find a peak and invert than finding a null. I recall on the ANC-4 finding a good null was sometimes difficult. 73, Dick - KA5KKT --- The next question that I have is there any similar devices made by different companies so one can compare options. Thx Don KD8NNU __ 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 Configuration Question
Larry, As far as I know there is no way to do it the way you asked, but there IS another way - by using the memories. If you use the Quick Memories, you can go to the last used frequency on any band - I set up my button 1 for 160 meters, 2 for 80, 3 for 40m, 4 for 20 m, 5 for 15 m, 6 for 10 m - then 7 thru 9 cover the WARC bands 30. 17, and 12 meters - lastly the 0 button covers 6 meters. You can define any button to any band, there is no reason to use the same selections that I have. Now the point is that once defined each button (press MV than the number button) can take you to any band - and it will remember the last used frequency (and mode) for both VFO A and VFO B. Now let's go one step further and also use the M1 through M4 buttons - I have M1 set for a frequency in the CW section of the band, M2 for the common DATA mode frequency, M3 for SSB, and M4 can be yet another frequency of your choosing. Once you are on any one band, these memory buttons can be used to skip from one place and mode quickly to another. Yes, there are also 90 more memories that can be used as well. And you can use macros to recall the memories if you want to get more exotic than just the normal K3 buttons - in fact you can also do the frequency, mode, (and most any other changes) through the use of macros - see the K3 Utility help file for examples. There are many ways to accomplish your end goal, just pick the one(s) that appeal to you the most and use them - even though it may not work like my last radio, the K3 provides the capability, it is just a matter of getting used to doing it the way the K3 accomplishes that goal. The K3 user interface has been scrubbed first by a focus group mainly of contesters and DXers, and has been further changed by the votes of the Firmware Field Test group, and even further refined by comments of other users offered on the reflector. So the capability is in the K3, and if you want to lobby (pleasantly) for your particular thought on how it should work, you are certainly invited to post to the reflector and see if you can find support for your idea - if there is enough, Wayne, Lyle and Eric are likely to make some changes if that is possible. 73, Don W3FPR On 11/26/2010 12:16 PM, Larry Boekeloo wrote: I have K3 #2808 that I purchased used about 6 months ago. This week, I added the KAT3 antenna tuner and the 400 and 250 Hz 8-pole filters. All I can say is WOW!!! Now for my questionIs there a way to make the frequency follow the mode per band (or has this been discussed already and I missed it)? For instance, if I was on 14.228 on USB and changed to CW where I was last at 14.005, is there a way to make it follow the mode for that band? Then if I went to data where I was at 14.080, can it go to that point? Just curious if I missed something in the manual. __ 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 Configuration Question
Larry, I think you can accomplish what you want by using the per-band quick memories as described on page 16 of the Owner's manual. Memories M 1 – M 4 are per-band quick memories. For example, you might set up M 1 for each band’s CW segment, M 2 for the SSB segment, etc. As an example, I have mine set so that M1 is CW, M2 SSB, M3 PSK and M4 RTTY. GL, Rick K6LE On 11/26/2010, at 9:16 , Larry Boekeloo wrote: I have K3 #2808 that I purchased used about 6 months ago. This week, I added the KAT3 antenna tuner and the 400 and 250 Hz 8-pole filters. All I can say is WOW!!! Now for my questionIs there a way to make the frequency follow the mode per band (or has this been discussed already and I missed it)? For instance, if I was on 14.228 on USB and changed to CW where I was last at 14.005, is there a way to make it follow the mode for that band? Then if I went to data where I was at 14.080, can it go to that point? Just curious if I missed something in the manual. Have a great Thanksgiving weekend everyone. I love my K3. Larry, KN8N __ 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] Plasma TV Noise any ideas on how to filter it out.
I guess I picked the right brand. I've had a Pioneer 50 plasma since 2004 and it doesn't generate any RF noise. Phil - AD5X __ 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] Plasma TV Noise any ideas on how to filter it out.
Hi, One thing is for sure: Once you have either one of these devices in front of your K3 receiver, you can wave good-bye to the world class blocking and IMD dynamic range of your receiver. I would consider this an absolute last resort. I don't think I could put up with the necessary knob twiddling required to locate the null, which will change each time you change frequency. So far as I cane tell no noisy plasma TVs in my neighborhood - knock on wood. Everyone in my family is happy with our 40 Sony LCD TV (which is quiet) so no pressure there. AB2TC - Knut Edward Dickinson, III-2 wrote: Hi Don, The JPS ANC-4 is similar to and preceded the MFJ unit. It lacks the 'Peak and Invert' feature of the MFJ. I suspect it is sometimes easier to find a peak and invert than finding a null. I recall on the ANC-4 finding a good null was sometimes difficult. 73, Dick - KA5KKT --- snip -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5778348.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] Plasma TV Noise any ideas on how to filter it out.
I believe that anything that is worth griping about in public carries with it the obligation to gripe to the regulatory agencies too. Sure, the FCC isn't likely to even notice, much less act upon, a letter from one person. But, how about thousands of e-mails or phone calls a month from thousands of licensees that doesn't stop? That would get a response. The problem is that not enough people have complained to the agencies involved. They don't have to be nasty complaints or scholarly technical reports, just respectful complaints from injured people describing the problem. Similarly the complaints need to go to our representatives in Congress here in the USA and their counterparts in other countries. Sure, national organizations like the ARRL or RSGB do their part representing their members, but the sheer weight of enough individual complaints carries undeniable weight that cannot be ignored. Ron AC7AC __ 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] Plasma TV Noise any ideas on how to filter it out.
Enlist the support of RAC. The noise issue has no respect for the 49th parallel. Gary, VE1RGB -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ron D'Eau Claire Sent: November 26, 2010 4:34 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out. I believe that anything that is worth griping about in public carries with it the obligation to gripe to the regulatory agencies too. Sure, the FCC isn't likely to even notice, much less act upon, a letter from one person. But, how about thousands of e-mails or phone calls a month from thousands of licensees that doesn't stop? That would get a response. The problem is that not enough people have complained to the agencies involved. They don't have to be nasty complaints or scholarly technical reports, just respectful complaints from injured people describing the problem. Similarly the complaints need to go to our representatives in Congress here in the USA and their counterparts in other countries. Sure, national organizations like the ARRL or RSGB do their part representing their members, but the sheer weight of enough individual complaints carries undeniable weight that cannot be ignored. Ron AC7AC __ 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] Plasma TV Noise any ideas on how to filter it out.
Can only speak as I find Phil... The UK TV licence includes a clause which says that the owner of the television apparatus shall not permit it to cause interference. If that was enforced, then all TV manufacturers would have to comply with the regulations, or have no sales in the UK... 73 Stewart G3RXQ On Fri, 26 Nov 2010 18:57:11 +, Phil Daniells, GJ4CBQ wrote: Panasonic stuff isn't all bad! We have two Panasonic LCD TV's here. Both have very good pictures and neither is a QRM generator. Whilst I understand the motivation to boycott their products, I feel that giving the vote of confidence to their RF quiet products in preference to their heavily promoted, noisy, devices still sends an appropriate message to Panasonic. A few months back their website was running an article that actively encouraged consumers to purchase Plasma instead of LCD TV's by massively downplaying the drawbacks of Plasma. Strangely there was no mention of QRM! I guess you might know this, Stewart. Are there ANY quiet Plasma TV's out there? To get back vaguely on topic, the combination of K3 and LP-Pan displays a very distinctive signature for Plasma TV's. Fortunately there aren't too many of them round here, they're not too loud and they're rarely all on at the same time. Rather than filtering, I find the best defence is the MFJ-1025. It cancels the Plasma QRM every time. 73, Phil, GJ4CBQ. On 26/11/2010 09:37, Stewart wrote: As I write this mail I am looking at the last Panasonic product in this house, a cordless phone. When that has gone Kaput, that's it...No more Panasonic. 73 Stewart G3RXQ __ 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] UK Elecraft net Sunday 28th Nov 0900 hours
Ian will not be able to start the UK Elecraft net this Sunday, I will act as net control until Ian joins us. The net will be at the usual time of 0900 hours (UTC) on 3658 KHz. 73 Dave, G4AON __ 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] Plasma TV Noise any ideas on how to filter it out.
Hi, Amen to that. At least in this case there is no doubt that the FCC has jurisdiction (as opposed to power line noise where they apparently don't (The FCC does not regulate power companies is a standard response of theirs)). So rest assured that I will complain first time I have any evidence of this type of noise. I guess I am still looking for some clues as to how to ID this noise source. AB2TC - Knut Ron D'Eau Claire wrote: I believe that anything that is worth griping about in public carries with it the obligation to gripe to the regulatory agencies too. Sure, the FCC isn't likely to even notice, much less act upon, a letter from one person. But, how about thousands of e-mails or phone calls a month from thousands of licensees that doesn't stop? That would get a response. The problem is that not enough people have complained to the agencies involved. snip -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5778433.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] Plasma TV Noise any ideas on how to filter it out.
HI Dick, From your comment you prefer the MFJ unit.However, I am concerned about MFJ quality. Do you have one of these that you use? Thx Don On Fri, Nov 26, 2010 at 2:07 PM, Edward Dickinson, III wrote: Hi Don, The JPS ANC-4 is similar to and preceded the MFJ unit. It lacks the 'Peak and Invert' feature of the MFJ. I suspect it is sometimes easier to find a peak and invert than finding a null. I recall on the ANC-4 finding a good null was sometimes difficult. 73, Dick - KA5KKT --- The next question that I have is there any similar devices made by different companies so one can compare options. Thx Don KD8NNU __ 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] Plasma TV Noise any ideas on how to filter it out.
Hi Knut, Your comments are well noted and if the noise is not present I can disconnect it from the system. However when this noise is present, I am unable to do anything. So world class is relative to the enviornment and there are times when my well are not world class. :-( Don On Fri, Nov 26, 2010 at 3:19 PM, ab2tc wrote: Hi, One thing is for sure: Once you have either one of these devices in front of your K3 receiver, you can wave good-bye to the world class blocking and IMD dynamic range of your receiver. I would consider this an absolute last resort. I don't think I could put up with the necessary knob twiddling required to locate the null, which will change each time you change frequency. So far as I cane tell no noisy plasma TVs in my neighborhood - knock on wood. Everyone in my family is happy with our 40 Sony LCD TV (which is quiet) so no pressure there. AB2TC - Knut Edward Dickinson, III-2 wrote: Hi Don, The JPS ANC-4 is similar to and preceded the MFJ unit. It lacks the 'Peak and Invert' feature of the MFJ. I suspect it is sometimes easier to find a peak and invert than finding a null. I recall on the ANC-4 finding a good null was sometimes difficult. 73, Dick - KA5KKT --- snip -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5778348.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] Plasma TV Noise any ideas on how to filter it out.
ab2tc wrote: Hi, One thing is for sure: Once you have either one of these devices in front of your K3 receiver, you can wave good-bye to the world class blocking and IMD dynamic range of your receiver. I would consider this an absolute last resort. I don't think I could put up with the necessary knob twiddling required to locate the null, which will change each time you change frequency. Believe me, if you have S9+20 interference without one of these devices, you put up with it. Yep, I've looked inside, build quality is terrible, SMD devices up on end and the rest of it. Signal path unnecessarily long pieces of hookup wire from the 259s to the PCB. It's hooked in via the KXV3 RX connectors so at least the TX signal doesn't go through it. But it works (and doesn't need much retuning as you change frequency.) 20m would be unusable without it, so the effect on blocking and IMD performance is unimportant, the alternative is QRT. Which would you choose? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5778457.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] Plasma TV Noise any ideas on how to filter it out.
Don't get me wrong Julian, I would make the same choice as you given the circumstances. It's just that the circumstances shouldn't be so. This whole thing with allowing devices that will for sure interfere and then leave it to the affected parties to resolve the problems when the inevitable interference occurs is a copout by regulatory agencies. This is the Part 95 clause in the USA and should never have happened. I am still praising and enjoying my relative freedom of interference. My neighborhood is a moderately densely populated suburban one with above ground utilities but no industrial sites within miles. AB2TC - Knut Julian, G4ILO wrote: snip Believe me, if you have S9+20 interference without one of these devices, you put up with it. Yep, I've looked inside, build quality is terrible, SMD devices up on end and the rest of it. Signal path unnecessarily long pieces of hookup wire from the 259s to the PCB. It's hooked in via the KXV3 RX connectors so at least the TX signal doesn't go through it. But it works (and doesn't need much retuning as you change frequency.) 20m would be unusable without it, so the effect on blocking and IMD performance is unimportant, the alternative is QRT. Which would you choose? -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5778505.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] UK Elecraft net Sunday 28th Nov 0900 hours
Ian will not be able to start the UK Elecraft net this Sunday, I will act as net control until Ian joins us. The net will be at the usual time of 0900 hours (UTC) on 3658 KHz. 73 Dave, G4AON __ 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] Plasma TV Noise any ideas on how to filter it out.
On 11/26/2010 1:03 PM, Stewart wrote: Can only speak as I find Phil... The UK TV licence includes a clause which says that the owner of the television apparatus shall not permit it to cause interference. If that was enforced, then all TV manufacturers would have to comply with the regulations, or have no sales in the UK... It's interesting to see that today's UK brother agency (OFCOM) has the same attitude as today's FCC about (non)enforcement. -- 73 de K2ASP - Phil Kane Elecraft K2/100 s/n 5402 (Retired FCC District Director) (Today's FCC is not -my- FCC) __ 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] Walmart Plasma Test
Today I paid a visit to Walmarts TV department. I brought along my portable AM radio. While tuned to a spot on the AM BC band, I walked along the row of dozens of flat screen TVs. There must be at least 50 of them! Suddenly the noise level jumped to a loud roar. I looked at the 42 set next to me and sure enough, it was a plasma. I started checking every set. Every plasma produced the loud QRM while every LCD/LED was quiet. There are not many plasma sets left but every brand was horrible. The noise sounds exactly like your typical power line noise but you can hear the pitch change as the video scene changes. When the screen goes totally black, like between commercials, the frequency changes greatly. I ran the little radio around the screen and really couldn't tell that the QRM was stronger at any given position. I'm fairly certain now that what I'm hearing on 80m is a plasma tv from my neighbor. Now I just have to figure out a way to approach them about replacing it. I may end up buying them one! Steve N4LQ __ 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] Plasma TV Noise any ideas on how to filter it out.
It is a shame that there is not more FCC enforcement directed at manufacturers rather than at consumers. Have you ever tried to convince a consumer that his expensive TV is producing radiation that is interfering with your ham radio? Talk about getting that deer in the headlights stare! The worst thing that the FCC could have done is regulate the consumer (don't use it if it causes interference). Consumers just cannot believe that anything they have purchased would create a problem for others. 73, Don W3FPR On 11/26/2010 5:00 PM, Phil Kane wrote: On 11/26/2010 1:03 PM, Stewart wrote: Can only speak as I find Phil... The UK TV licence includes a clause which says that the owner of the television apparatus shall not permit it to cause interference. If that was enforced, then all TV manufacturers would have to comply with the regulations, or have no sales in the UK... It's interesting to see that today's UK brother agency (OFCOM) has the same attitude as today's FCC about (non)enforcement. -- 73 de K2ASP - Phil Kane Elecraft K2/100 s/n 5402 (Retired FCC District Director) (Today's FCC is not -my- FCC) __ 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] Plasma TV Noise any ideas on how to filter it out.
I had a Vizio 46 plasma TV which seemed to be pretty quiet. It was less than 10 feet from my K2 and TS-570 (my vertical antenna is about 60 feet away). Unfortunately it died after about 4 years and was replaced by a LCD model. Vizio no longer makes plasma sets. Bob, N7XY On Nov 26, 2010, at 10:57 AM, Phil Daniells, GJ4CBQ wrote: Panasonic stuff isn't all bad! We have two Panasonic LCD TV's here. Both have very good pictures and neither is a QRM generator. Whilst I understand the motivation to boycott their products, I feel that giving the vote of confidence to their RF quiet products in preference to their heavily promoted, noisy, devices still sends an appropriate message to Panasonic. A few months back their website was running an article that actively encouraged consumers to purchase Plasma instead of LCD TV's by massively downplaying the drawbacks of Plasma. Strangely there was no mention of QRM! I guess you might know this, Stewart. Are there ANY quiet Plasma TV's out there? To get back vaguely on topic, the combination of K3 and LP-Pan displays a very distinctive signature for Plasma TV's. Fortunately there aren't too many of them round here, they're not too loud and they're rarely all on at the same time. Rather than filtering, I find the best defence is the MFJ-1025. It cancels the Plasma QRM every time. 73, Phil, GJ4CBQ. On 26/11/2010 09:37, Stewart wrote: As I write this mail I am looking at the last Panasonic product in this house, a cordless phone. When that has gone Kaput, that's it...No more Panasonic. 73 Stewart G3RXQ __ 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] FW: Re: Plasma TV Noise any ideas on how to filter it out.
Don - I have not used the MFJ product. I've just noticed it appears similar to the JPS ANC-4 with the added opportunity to invert a peaked noise source rather than search for a null. I think such a feature may be useful in some circumstances. I no longer have the JPS ANC-4 as the much of the noise I have experienced has seemingly been from multiple sources in the electric utility distribution system. 73, Dick - KA5KKT HI Dick, From your comment you prefer the MFJ unit.However, I am concerned about MFJ quality. Do you have one of these that you use? Thx Don __ 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] Plasma TV Noise any ideas on how to filter it out.
On 11/26/2010 2:20 PM, Don Wilhelm wrote: It is a shame that there is not more FCC enforcement directed at manufacturers rather than at consumers. Have you ever tried to convince a consumer that his expensive TV is producing radiation that is interfering with your ham radio? Talk about getting that deer in the headlights stare! The worst thing that the FCC could have done is regulate the consumer (don't use it if it causes interference). Consumers just cannot believe that anything they have purchased would create a problem for others. As the world becomes more and more electronic, this is going to continue to increase as a problem, and not just interference to us. In the 50's TV manufacturers experimented with a 21 MHz IF, a monumentally stupid choice. During the BPL Scare, I modeled the power distribution which passes over our property and my antenna and found that on all bands except 160, the coupling loss between my antenna and the power line was in the -35 dB range. Loss was less on 160 since the lines and antenna were well withing the near fields. A little arithmetic suggested that, at 1KW [a legal power for me] inside the ham bands, my neighbor's BPL box would surely hear me. I have no idea how I'd maintain a civil relationship with them when I insisted it is their problem not mine. I've always loved the FCC's comments in rule making that the Amateur can mitigate interference to non-licensed services by reorienting the antenna. Like, if I want to work ZL8X, I'm going to point my antenna at 090 instead of 270 to avoid RFI? Incidentally, FWIW I host the neighborhood wireless RAP at the top of my tower, just below the tribander, in return for free internet. My old TS-850 occasionally caused it to reset at 1KW on 15m. The K3 has never done so. ?? 73, Fred K6DGW - Northern California Contest Club - CU in the 2011 Cal QSO Party 1-2 Oct 2011 - 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] Plasma TV and other OT junque
I have been mistaken (again)! I was under the impression this was basically an Elecraft technical, or at least semi-technical reflector? Last week I was in France and when I returned, I had over 860 emails. Of those 860 emails, 580 were on this reflector! Of those 580 emails, exactly 27 had something to do with technical information about Elecraft products! As a relatively new K3/P3 owner I seriously question this reflectors ability to provide Elecraft technical assistance when so much totally OT topics are discussed ad-infinitum. I respectfully urge each of you to think about what you are doing - please! 73, Tom - W4BQF __ 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] Plasma TV and other OT junque
Hi Tommy. I understand your concern. You might consider monitoring the reflector in your browser rather than via email. Doing so has saved me from email issues. It may not serve everyone's purpose, but it can be useful for some. Here's a link you can try. http://mailman.qth.net/pipermail/elecraft/2010-November/date.html 73, Dick - KA5KKT I have been mistaken (again)! I was under the impression this was basically an Elecraft technical, or at least semi-technical reflector? Last week I was in France and when I returned, I had over 860 emails. Of those 860 emails, 580 were on this reflector! Of those 580 emails, exactly 27 had something to do with technical information about Elecraft products! As a relatively new K3/P3 owner I seriously question this reflectors ability to provide Elecraft technical assistance when so much totally OT topics are discussed ad-infinitum. I respectfully urge each of you to think about what you are doing - please! 73, Tom - W4BQF __ 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] Line out, speakers, and L-mix-R settings...
No suggestions? Hope everyone had a good thanksgiving. I know mine is about to start; my 11mo daughter just came home from pediatric ICU. I am thankful for that. 73, James K2QI On Wed, Nov 24, 2010 at 10:19 PM, James Sarte (K2QI) k2qi@gmail.comwrote: Curious thing I noticed today; plugged in my headphones only to continue hearing monoraul audio coming out of my PC's speakers. It took me a second to realize that audio from the K3 was being piped out of the LINE OUT jack in the rear, into my PC's input, and out to the two speakers I have sitting on my desk. At first I thought it was strange that the audio I was hearing was only coming out of the left speaker rather than both. I checked the manual and after a few minutes of reading realized that under normal situations, activating the SUB would provide the right channel. I then started playing around a bit more, and figured I'd post this question to the group just to make sure I understand how these functions work properly. My experimentation led me to the SPKRS settings which was currently set at 1. With the SUB off, I changed the speaker setting to 2 but no change; audio was still being heard on the left speaker and not the right. Am I then correct in my assumption that the speakers setting has no bearing on the actual number of channels being output from the LINE OUT jack? This brings me to my second question - is there a way to get both L and R channel audio output to the LINE OUT jack just from the main receiver without the SUB being activated? My last question, does the SPEAKERS setting only affect the SPKR OUT jack on the rear panel? According to the manual, leaving it at 1 will only provide one channel of audio. Would setting it to 2 provide both LR channels to the speakers regardless of SUB activation? Mni tnx es happy thanksgiving. -- 73 de James K2QI President UNARC/4U1UN -- 73 de James K2QI President UNARC/4U1UN __ 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] Plasma TV Noise any ideas on how to filter it out.
Hello again again, Hi again, When I came across this thread, I was somewhat puzzled, as I didn't think that there was this imminent threat of an onslaught of interference from plasma displays. A little bit of Google research and talk with people in the know bears out that the plasma technology is indeed, if anything, losing ground to the LCD technology which is cheaper and rapidly catching up in display quality. So I don't think there is really a big threat here. It's too bad that there are still neighborhoods affected by these displays and the fact that they are allowed to be sold at all, in spite of the fact that they cause incurable interference problems. AB2TC - Knut ab2tc wrote: Don't get me wrong Julian, I would make the same choice as you given the circumstances. It's just that the circumstances shouldn't be so. This whole thing with allowing devices that will for sure interfere and then leave it to the affected parties to resolve the problems when the inevitable interference occurs is a copout by regulatory agencies. This is the Part 95 clause in the USA and should never have happened. I am still praising and enjoying my relative freedom of interference. My neighborhood is a moderately densely populated suburban one with above ground utilities but no industrial sites within miles. AB2TC - Knut Julian, G4ILO wrote: snip Believe me, if you have S9+20 interference without one of these devices, you put up with it. Yep, I've looked inside, build quality is terrible, SMD devices up on end and the rest of it. Signal path unnecessarily long pieces of hookup wire from the 259s to the PCB. It's hooked in via the KXV3 RX connectors so at least the TX signal doesn't go through it. But it works (and doesn't need much retuning as you change frequency.) 20m would be unusable without it, so the effect on blocking and IMD performance is unimportant, the alternative is QRT. Which would you choose? -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5778823.html Sent from the [HAM] 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] K3 and Microham MKII
What are the correct setting to get the K3 to work with the Microham MKII. I see K3 and K3 (patched) with no info at all about what K3 patched even means. It used to work with just K3. Work has been hectic and finally I get a chance to work CQ WW CW and the MKII will not connect with the K3 John __ 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 and Microham MKII
What are the correct setting to get the K3 to work with the Microham MKII. I see K3 and K3 (patched) with no info at all about what K3 patched even means. Either will work. The (patched) version clears the CAT queue more quickly if the K3 stops responding (user turns it off but leaves a logging program polling) and will recover more quickly. Make sure the K3, MK II and logging software are all set for the same data rate. 73, ... Joe Subich, W4TV microHAM America, LLC. http://www.microHAM-USA.com http://groups.yahoo.com/group/microHAM On 11/26/2010 8:35 PM, John Gaynard wrote: What are the correct setting to get the K3 to work with the Microham MKII. I see K3 and K3 (patched) with no info at all about what K3 patched even means. It used to work with just K3. Work has been hectic and finally I get a chance to work CQ WW CW and the MKII will not connect with the K3 John __ 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] Plasma TV and other OT junque
Hello Tommy: This list is not specifically an Elecraft product technical discussion. As Eric, the list moderator, wrote a few days ago, they want the Elecraft to be ... the friendly 'goto' place for both Elecraft product and overall ham radio information. Interference that compromises Amateur communications is certainly ham radio information. Even so, Eric monitors the list and when a particular thread reaches a certain level of saturation he'll post a message ending the thread. A good way to manage the flow is to sort the e-mails by subject. Then, once you see that a particular subject is of no interest to you, you can simple delete all the e-mails under that subject as a group. That's why it's very important to have the subject reflect the actual content of the e-mail. Often a thread drift takes place and it's important to adjust the subject accordingly. Ron AC7AC -Original Message- I have been mistaken (again)! I was under the impression this was basically an Elecraft technical, or at least semi-technical reflector? Last week I was in France and when I returned, I had over 860 emails. Of those 860 emails, 580 were on this reflector! Of those 580 emails, exactly 27 had something to do with technical information about Elecraft products! As a relatively new K3/P3 owner I seriously question this reflectors ability to provide Elecraft technical assistance when so much totally OT topics are discussed ad-infinitum. I respectfully urge each of you to think about what you are doing - please! 73, Tom - W4BQF __ 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 Plasma TV and other non OT junque
Tom: The same thing would happen if you went to Spain or Starkville, MS. I've got the K3 and have some QRM from a plasma. The NB doesn't seem to respond well although it sounds very similar to your typical AC power line noise. I wonder if Elecraft might have a plasma nearby and could run some test on the K3 NB possibly making some custom changes? Steve N4LQ - Original Message - From: Tommy Alderman alderm...@windstream.net To: elecraft@mailman.qth.net Sent: Friday, November 26, 2010 6:48 PM Subject: Re: [Elecraft] Plasma TV and other OT junque I have been mistaken (again)! I was under the impression this was basically an Elecraft technical, or at least semi-technical reflector? Last week I was in France and when I returned, I had over 860 emails. Of those 860 emails, 580 were on this reflector! Of those 580 emails, exactly 27 had something to do with technical information about Elecraft products! As a relatively new K3/P3 owner I seriously question this reflectors ability to provide Elecraft technical assistance when so much totally OT topics are discussed ad-infinitum. I respectfully urge each of you to think about what you are doing - please! 73, Tom - W4BQF __ 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] Line out, speakers, and L-mix-R settings...
James, I hope your daughter is feeling better soon. Re your questions (based on my observations using sound card software on both channels from the LINE OUT jack, and stereo headphones plugged into the SPKRS jack): 1. The CONFIG:SPKRS setting only affects the rear panel SPKRS jack. It has no effect on LINE OUT. 2. None of the audio mixing or level controls has any effect on the LINE OUT signal, as far as I can tell. The left channel always carries the main RX output, and the right channel always carries the sub RX output. The LINE output is raw unmixed audio from the two receivers at a fixed level set by CONFIG:LIN OUT. 3. When CONFIG:SPKRS = 2, the SPKRS jack behaves the same as the headphone jacks. With SUB off, the main RX is in both channels, and with SUB on and the normal L-MIX-R setting, the main RX and sub RX are in left and right channels respectively. Changing the L-MIX-R setting affects the SPKRS the same way as it affects the PHONES output. When CONFIG:SPKRS = 1, the only speaker output is on the left channel of the SPKRS jack, i.e. it disables the right channel output even when SUB is on. If SUB is on, the external mono speaker on the left channel carries audio from both receivers mixed together, the same as the internal speaker. The purpose of the CONFIG:SPKRS = 1 option is to protect the speaker amp if a mono plug is plugged into the SPKRS jack. 73, Rich VE3KI __ 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 Noise Blanker (was K3 Plasma TV and other non OT junque)
I operate in a sometimes very high QRN area...45 y.o. Electric Distribution System in the area. Unblanked Noise has recently and regularly been in the 10 over S-9 realm on 40 meters. Can improvements be made to the K3 Noise Blanker? Firmware..? Hardware..? 73, Dick - KA5KKT -- I wonder if Elecraft might have a plasma nearby and could run some test on the K3 NB possibly making some custom changes? Steve N4LQ __ 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] Line out, speakers, and L-mix-R settings...
Thank you Rich, My daughter had a severe case of bronchiolitis. I'm happy to say that she's on the mend back at home. Also, I'm grateful for your reply to my questions. You have confirmed my assumptions. 73 and Happy Holidays, James K2QI Sent via BlackBerry from T-Mobile -Original Message- From: Richard Ferch ve3...@storm.ca Sender: elecraft-boun...@mailman.qth.net Date: Fri, 26 Nov 2010 23:52:09 To: elecraft@mailman.qth.netelecraft@mailman.qth.net Subject: Re: [Elecraft] [K3] Line out, speakers, and L-mix-R settings... James, I hope your daughter is feeling better soon. Re your questions (based on my observations using sound card software on both channels from the LINE OUT jack, and stereo headphones plugged into the SPKRS jack): 1. The CONFIG:SPKRS setting only affects the rear panel SPKRS jack. It has no effect on LINE OUT. 2. None of the audio mixing or level controls has any effect on the LINE OUT signal, as far as I can tell. The left channel always carries the main RX output, and the right channel always carries the sub RX output. The LINE output is raw unmixed audio from the two receivers at a fixed level set by CONFIG:LIN OUT. 3. When CONFIG:SPKRS = 2, the SPKRS jack behaves the same as the headphone jacks. With SUB off, the main RX is in both channels, and with SUB on and the normal L-MIX-R setting, the main RX and sub RX are in left and right channels respectively. Changing the L-MIX-R setting affects the SPKRS the same way as it affects the PHONES output. When CONFIG:SPKRS = 1, the only speaker output is on the left channel of the SPKRS jack, i.e. it disables the right channel output even when SUB is on. If SUB is on, the external mono speaker on the left channel carries audio from both receivers mixed together, the same as the internal speaker. The purpose of the CONFIG:SPKRS = 1 option is to protect the speaker amp if a mono plug is plugged into the SPKRS jack. 73, Rich VE3KI __ 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] Plasma TV Noise any ideas on how to filter it out.
Well, 80% of my operating time is spent in what seems like electromagnetic hell. The irony is that I live in a rural area at the end of the earth. I have only 3 neighbours within a 4km radius. One of them has a plasma screen TV. Another has something else, perhaps an arcing thermostat or fluoro light, which adds to the cacophony which dances across the whole of my operating spectrum, from 80 to 10m. The din varies in intensity and duration. Sometimes it's not there and then, for a brief time, I enjoy the silence. I was about to abandon the hobby, but some reading led me to the noise cancellers. I had learnt very early on that noise blankers and DSP were feeble weapons against the particular noise mix at my QTH. So I first bought the MJF 1026 because I could get it locally and it was inexpensive. I experiemented with many different noise antennas. It was OK, but very inconsistent in its effect. On a good day, it reduced the racket, but the nulls were elusive and the time I spent using it merely amplified my frustrations. I took it apart one day and was shocked. I boxed it up, put it in a cupboard and ordered an ANC-4.My hopes weren't high, but the future of my ham radio career depended on finding a solution. So the ANC-4 arrived from across the Pacific- sturdily designed, heavy, and well crafted inside and out. I pluged it in, attached the noise antenna, turned it on and for the first time, killed the noise. On all bands, quickly and without frustration. S7 din, obliterating everything, consistently and predictably reduced to hush. This one piece of equipment has saved the hobby for me. At my location and with my particular noise blend, it has worked a treat and much, much more effectively than the first noise canceller I tried. Others have reported exactly the converse experience - neither unit having any effect, or the MFJ unit giving superior results. For all the science involved, noise busting with this equipment is inexact and unpredictable. Of course, I'd rather not have to use this black box at all. It reduces received signal strength noticably, but then the alternative is buzzz covering everything. And yes, I'm sure it's degrading my IMD and threatening the purity of any number of other parameters of my transmitted signal. But again, the option is nothing at all. This afternoon, I just put the 94th country in my log: all were caught on SSB phone, with 100 Watts and a wire antenna sitting here under my blanket of noise. I enjoy this hobby far too much to let it go. Borrow an ANC-4 and see what it'll do for you. If it doesn't work, then try the MFJ 1026. Just don't give up. 73, John VK7JB -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5779093.html Sent from the [HAM] 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] Plasma TV Noise any ideas on how to filter it out.
I used ANC in the past. It was good. Sent from my iPhone 4 VK7JB zen...@netspace.net.au 於 2010年11月27日 下午2:18 寫道： Well, 80% of my operating time is spent in what seems like electromagnetic hell. The irony is that I live in a rural area at the end of the earth. I have only 3 neighbours within a 4km radius. One of them has a plasma screen TV. Another has something else, perhaps an arcing thermostat or fluoro light, which adds to the cacophony which dances across the whole of my operating spectrum, from 80 to 10m. The din varies in intensity and duration. Sometimes it's not there and then, for a brief time, I enjoy the silence. I was about to abandon the hobby, but some reading led me to the noise cancellers. I had learnt very early on that noise blankers and DSP were feeble weapons against the particular noise mix at my QTH. So I first bought the MJF 1026 because I could get it locally and it was inexpensive. I experiemented with many different noise antennas. It was OK, but very inconsistent in its effect. On a good day, it reduced the racket, but the nulls were elusive and the time I spent using it merely amplified my frustrations. I took it apart one day and was shocked. I boxed it up, put it in a cupboard and ordered an ANC-4.My hopes weren't high, but the future of my ham radio career depended on finding a solution. So the ANC-4 arrived from across the Pacific- sturdily designed, heavy, and well crafted inside and out. I pluged it in, attached the noise antenna, turned it on and for the first time, killed the noise. On all bands, quickly and without frustration. S7 din, obliterating everything, consistently and predictably reduced to hush. This one piece of equipment has saved the hobby for me. At my location and with my particular noise blend, it has worked a treat and much, much more effectively than the first noise canceller I tried. Others have reported exactly the converse experience - neither unit having any effect, or the MFJ unit giving superior results. For all the science involved, noise busting with this equipment is inexact and unpredictable. Of course, I'd rather not have to use this black box at all. It reduces received signal strength noticably, but then the alternative is buzzz covering everything. And yes, I'm sure it's degrading my IMD and threatening the purity of any number of other parameters of my transmitted signal. But again, the option is nothing at all. This afternoon, I just put the 94th country in my log: all were caught on SSB phone, with 100 Watts and a wire antenna sitting here under my blanket of noise. I enjoy this hobby far too much to let it go. Borrow an ANC-4 and see what it'll do for you. If it doesn't work, then try the MFJ 1026. Just don't give up. 73, John VK7JB -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5779093.html Sent from the [HAM] 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
