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References: [ +from:dave@nk7z.net: 912 ]

Total 912 documents matching your query.

41. [RFI] Request Audio Clip... (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Mon, 10 Sep 2012 13:28:14 -0700; Hi, I am attempting to ID some RFI, does anyone have an audio clip of DSL? -- Thanks, Dave http://www.nk7z.net for equipment reviews, propagation, and more... For JT65 Discussions: https://groups.goo; /archives//html/RFI/2012-09/msg00039.html (6,657 bytes)
42. [RFI] Getting to the end of the RFI finally..... (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Mon, 10 Sep 2012 15:28:19 -0700; Hi, I believe I have found the second layer down of my RFI problems... It is odd as this layer is hidden most of the time, by a stronger layer. I have a short note on how removing one RFI layer uncov; /archives//html/RFI/2012-09/msg00041.html (7,331 bytes)
43. [RFI] Review of MFJ-856 (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Sat, 15 Sep 2012 06:48:27 -0700; Howdy, Just uploaded my review of the MFJ-856 hand held yagi RFI locating Antenna to: http://www.nk7z.net if anyone is interested... -- Thanks, Dave http://www.nk7z.net for equipment reviews, propaga; /archives//html/RFI/2012-09/msg00081.html (6,581 bytes)
44. Re: [RFI] Review of MFJ-856 (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Sat, 15 Sep 2012 14:19:51 -0700; Hi, I will be putting together an adapter to connect my TH-F6 to it. The F6 will do AM from DC to daylight pretty much, so it helps in locating RFI. As I get closer to the source, I up the frequency; /archives//html/RFI/2012-09/msg00088.html (9,156 bytes)
45. [RFI] Best way to stop RFI from entering AC Power Grid... (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Mon, 17 Sep 2012 11:13:04 -0700; Hello, I am working with a fellow about 100 feet from my home, who is running twin HP Sodium lamps... Can someone suggest a commercial off the shelf filter that works halfway decently for stopping th; /archives//html/RFI/2012-09/msg00101.html (6,843 bytes)
46. [RFI] Start up Sound file... (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Tue, 09 Oct 2012 08:38:59 -0700; Hi, Can anyone ID this? http://nk7z.net/wp-content/uploads/2012/01/startup-100812.mp3 It is the sound of my ongoing RFI at startup... It goes for about 3 to 5 minutes then just turns to the sound at; /archives//html/RFI/2012-10/msg00013.html (6,908 bytes)
47. Re: [RFI] New Noise (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Tue, 09 Oct 2012 08:42:50 -0700; Hi, I just did a review of this software. It is located at http://www.nk7z.net. It is the first thing. Did it yesterday... -- Thanks, Dave http://www.nk7z.net for equipment reviews, propagation, and; /archives//html/RFI/2012-10/msg00015.html (9,966 bytes)
48. [RFI] RFI Audio Cuts... (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Tue, 23 Oct 2012 06:38:07 -0700; Hi, I would like to collect a large number of RFI audio cuts for my web site. This would be made available to all... If you have an audio cut of RFI, and you KNOW for a fact what it was that caused i; /archives//html/RFI/2012-10/msg00032.html (6,763 bytes)
49. Re: [RFI] rfi problem (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Wed, 31 Oct 2012 15:30:00 -0700; Add one more question to that mix please... Is there a schedule which the RFI follows? -- Thanks, Dave http://www.nk7z.net for equipment reviews, propagation, and more... For JT65 Discussions: https:; /archives//html/RFI/2012-10/msg00051.html (9,195 bytes)
50. Re: [RFI] rfi problem (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Thu, 01 Nov 2012 14:02:02 -0700; Several years ago I had a problem on 2 Meters with cable RFI... I looked at the cable junction in the back of our yard... There was a cable running out of it, across the ground, and into the back yar; /archives//html/RFI/2012-11/msg00005.html (9,352 bytes)
51. Re: [RFI] 200 khz AC line noise (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Sat, 08 Dec 2012 16:52:21 -0800; Hi Aaron, I believe that if you actually pin this to the power company, they HAVE to fix it... I am sure others will come in with more and better data than I have... -- 73's and Thanks, Dave http://w; /archives//html/RFI/2012-12/msg00020.html (8,801 bytes)
52. Re: [RFI] Finding power line noise... (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Sat, 08 Dec 2012 21:11:22 -0800; Hi, I have a THF6a, this little rig will do AM all the way up to 600 or 700 MHz. I often use it in AM to locate RFI... Moving to AM and going up as high as possible is always the best way to locate R; /archives//html/RFI/2012-12/msg00022.html (7,841 bytes)
53. Re: [RFI] RFI on 1.8 mhz (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Mon, 21 Jan 2013 07:59:08 -0800; Still does not change the fact that most audio recordings are not very useful in pinning down a source. -- 73's and Thanks, Dave http://www.nk7z.net for equipment reviews, propagation, and more... __; /archives//html/RFI/2013-01/msg00103.html (8,139 bytes)
54. Re: [RFI] Strong, broadband noise during wet conditions (score: 1): Author: Dave Cole <dave@nk7z.net>; Date: Fri, 15 Mar 2013 13:38:33 -0700; Hi Matt, My initial thoughts are power line related, but if you have not done your home power off test, be sure to do it prior to calling the power company... It will go a long way in letting them kn; /archives//html/RFI/2013-03/msg00077.html (8,822 bytes)
55. Re: [RFI] Solar System RFI (score: 1): Author: "David C. Cole" <dave@nk7z.net>; Date: Thu, 28 Mar 2013 09:47:45 -0700; Hi, Verify it is the controller by contacting your neighbor, and killing power to it... That will also serve to break the ice about the entire subject... Keep in mind the liability you may have if yo; /archives//html/RFI/2013-03/msg00129.html (9,024 bytes)
56. [RFI] DirecTV systems (score: 1): Author: "David C. Cole" <dave@nk7z.net>; Date: Thu, 28 Mar 2013 09:52:24 -0700; Hi, If I remember correctly there was a brief discussion about DirecTV SWM systems and RFI generation... Based on that discussion I had occasion to discuss RFI with an installer who actually knew wha; /archives//html/RFI/2013-03/msg00130.html (6,932 bytes)
57. Re: [RFI] DirecTV systems (score: 1): Author: "David C. Cole" <dave@nk7z.net>; Date: Thu, 28 Mar 2013 10:44:37 -0700; Hi Jim, I would expect that a mismatch on one port, (i.e. no termination), would cause RF on that port, as things would become unbalance inside the splitter thus removing the prefect isolation betwee; /archives//html/RFI/2013-03/msg00134.html (8,513 bytes)
58. Re: [RFI] DirecTV systems (score: 1): Author: "David C. Cole" <dave@nk7z.net>; Date: Thu, 28 Mar 2013 18:18:38 -0700; Hello Jim, Thanks for the explanation... I will go unterminate one and see what happens... I would expect some radiation from it, but you are probably correct, not enough wire to radiate it... -- For; /archives//html/RFI/2013-03/msg00141.html (8,687 bytes)
59. Re: [RFI] Ultra Sonics (score: 1): Author: David Cole <dave@nk7z.net>; Date: Tue, 23 Apr 2013 06:47:38 -0700; Hi, I have a review of a few RFI locating devices, and some RFI location software, (S-Meter Lite), at: http://nk7z.net/category/info/mitigation-of-rf-interference/ if anyone is interested... -- Thank; /archives//html/RFI/2013-04/msg00018.html (15,936 bytes)
60. Re: [RFI] TVI Question (score: 1): Author: David Cole <dave@nk7z.net>; Date: Wed, 24 Apr 2013 22:06:15 -0700; I live almost next door to a ham friend, who will run a KW pretty often... He used to come in on my stereo... Ferrite beads... All gone... I added them to remove my own signal from the stereo... :) -; /archives//html/RFI/2013-04/msg00039.html (10,470 bytes)

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