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References: [ +from:k1ttt@verizon.net: 111 ]

Total 111 documents matching your query.

21. Re: [RFI] Troubleshooting AFCI Tripping Due To Amateur Transmissions (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Thu, 03 Jan 2013 14:43:21 -0600 (CST)
well, to get some basic data like frequency you can get an sdr like the qs1r and set it to record the whole spectrum for some period when the AFCI is tripping. you wouldn't have to record for long, j
/archives//html/RFI/2013-01/msg00033.html (10,471 bytes)

22. Re: [RFI] RFI on 1.8 mhz (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Tue, 22 Jan 2013 07:00:02 -0600 (CST)
how often has anyone actually been able to identify a source from an audio recording?? cite cases... i would like to hear specific cases where the audio was enough to identify a specific source of a
/archives//html/RFI/2013-01/msg00110.html (10,398 bytes)

23. Re: [RFI] RFI on 1.8 mhz (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Tue, 22 Jan 2013 11:14:16 -0600 (CST)
that may be a good one. but does it have to be on a specific frequency or range of frequencies?? i have a generator that sweeps through a part of 160m at about that rate depending on load. what would
/archives//html/RFI/2013-01/msg00117.html (9,357 bytes)

24. Re: [RFI] RFI on 1.8 mhz (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Tue, 22 Jan 2013 11:15:05 -0600 (CST)
what makes a street light noise unique? I am able to identify street lights gone amuck 100% of the time just from the sound of the audio here. Lee K7TJR ______________________________________________
/archives//html/RFI/2013-01/msg00118.html (8,376 bytes)

25. Re: [RFI] The energy-saving LED bulb that switched off the radio (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Thu, 28 Mar 2013 12:22:47 -0500 (CDT)
some LED bulbs use a switching power supply that is not well shielded. i picked up a couple generic ones the last time i was in dayton, one of them is dead quiet and it still in use, the other one wa
/archives//html/RFI/2013-03/msg00133.html (8,426 bytes)

26. Re: [RFI] FCC issues official citation for well pump RFI on Topband (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Wed, 24 Apr 2013 06:19:14 -0500 (CDT)
a well pump????? do they make well pumps now with variable speed drive or something? Official Citation to issued to Ruben D. Lopez, Jr. for operation of an incidental radiator, which caused harmful i
/archives//html/RFI/2013-04/msg00024.html (8,265 bytes)

27. Re: [RFI] FCC issues official citation for well pump RFI on Topband (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Wed, 24 Apr 2013 12:27:37 -0500 (CDT)
that could be REALLY hard if the motor is at the bottom of a well! _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi
/archives//html/RFI/2013-04/msg00030.html (8,275 bytes)

28. Re: [RFI] Rogue beer fridge caught by Telstra 'robot' (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Tue, 04 Jun 2013 13:12:48 -0500 (CDT)
that sounds like a nice idea, but is much harder than it sounds. first, the software would have to know how to sort out the noise from the desired signals. it would also have to be able to scan wide
/archives//html/RFI/2013-06/msg00013.html (9,009 bytes)

29. Re: [RFI] Solar power generation (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Wed, 12 Jun 2013 06:25:02 -0500 (CDT)
i think battery systems are harder to rfi proof because of the bigger currents involved in charging batteries and running a single large inverter. be sure to keep loops as small as possible to reduce
/archives//html/RFI/2013-06/msg00019.html (8,347 bytes)

30. Re: [RFI] Samsung Computer Monitor an RFI Dog (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Thu, 26 Sep 2013 08:07:14 -0500 (CDT)
I use a 40" Samsung LED tv as a computer monitor, and have a 55" one for tv... neither one is bothered by the rf here, even with 1.5kw on 160m where they are in the middle of the pair of inverted L's
/archives//html/RFI/2013-09/msg00071.html (8,342 bytes)

31. Re: [RFI] RFI Identification Help (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Mon, 11 Nov 2013 10:37:27 -0600 (CST)
we could all reply and list all sorts of things that it might be... anything from an electric blanket for someone who works night shifts, to a bad ballast on a grow light that happens to be on during
/archives//html/RFI/2013-11/msg00008.html (9,313 bytes)

32. Re: [RFI] Fwd: RFI Identification Help (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Tue, 12 Nov 2013 10:02:37 -0600 (CST)
my first choice is a cheap battery powered shortwave receiver I bought at radioshack. signal strength is often enough to get close, but it also has ferrite rod antenna which is very directional on th
/archives//html/RFI/2013-11/msg00017.html (8,467 bytes)

33. Re: [RFI] LED Christmas Light RFI (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Mon, 02 Dec 2013 06:22:42 -0600 (CST)
it wasn't Christmas lights, but I had a screw-in Chinese no-name LED bulb that made hash all over hf. obviously powered by an unfiltered switching supply. "Does anyone have experience with RFI from L
/archives//html/RFI/2013-12/msg00023.html (8,357 bytes)

34. [RFI] DANGER WILL ROBINSON!!!!! (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Thu, 05 Dec 2013 10:27:58 -0600 (CST)
Just hear this on radio ad... "The same RF skin treatment available in your doctor's office, now available at home" RF??? on your skin??? and at HOME!?!?!?!?! even if this is in an ISM band just thin
/archives//html/RFI/2013-12/msg00052.html (7,455 bytes)

35. Re: [RFI] DANGER WILL ROBINSON!!!!! (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Thu, 05 Dec 2013 11:02:59 -0600 (CST)
I could care less about the snake oil, i'm more worried about the sale of what are likely intentional radiators of some kind of rf getting lose in the wild. I wonder what kind of fcc approval, if any
/archives//html/RFI/2013-12/msg00054.html (9,280 bytes)

36. Re: [RFI] LED Bulbs (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Wed, 12 Feb 2014 06:50:38 -0600 (CST)
well, if your neighbor was stealing gas from your car would you report it to the police??? or would you expect them to be checking the level in your tank for you every day to see if some was missing?
/archives//html/RFI/2014-02/msg00040.html (11,920 bytes)

37. Re: [RFI] LED Bulbs (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Wed, 12 Feb 2014 07:19:49 -0600 (CST)
is he not stealing your right to pursue happiness?? have you not been harmed by his noise generator the same as if he had been running a stereo too loud after you go to bed? does your continued silen
/archives//html/RFI/2014-02/msg00042.html (15,160 bytes)

38. Re: [RFI] LED Bulbs (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Wed, 12 Feb 2014 09:47:11 -0600 (CST)
that's why I have nice quiet bands from dc to daylight and you have been suffering for 8 years! I'm sorry David, but I don't agree with you. Dale, k9vuj ______________________________________________
/archives//html/RFI/2014-02/msg00049.html (16,552 bytes)

39. Re: [RFI] LED Bulbs (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Wed, 12 Feb 2014 10:06:31 -0600 (CST)
I would dare to say that most complaints can be resolved without the fcc... just the mention of the fcc can be enough to get action from utilities to grow light owners. a short explanation of how muc
/archives//html/RFI/2014-02/msg00050.html (11,041 bytes)

40. Re: [RFI] LED Bulbs (score: 1)
Author: David Robbins <k1ttt@verizon.net>
Date: Wed, 12 Feb 2014 10:25:41 -0600 (CST)
interfering with AM/FM/TV broadcast??? contact the station engineer and let them know, they hate that type of stuff! interfering with police or fire frequencies? contact dispatchers for those service
/archives//html/RFI/2014-02/msg00055.html (11,507 bytes)

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