Mail Archive Search: <+from:n4zr@contesting.com>

Results:

References: [ +from:n4zr@contesting.com: 336 ]

Total 336 documents matching your query.

41. [RFI] Filtered connectors for video cable (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 25 Oct 2001 08:08:31 -0400; After reading that, and finding a reference to Spectrum Control, Inc. filtered connectors in the Mouser catalogue, I went to SCI's excellent web site and researched the characteristics of these devic; /archives//html/RFI/2001-10/msg00012.html (8,239 bytes)
42. [RFI] Filtered connectors for video cable (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 25 Oct 2001 14:34:14 -0400; Hi Dale [WA9ENA] -- thank you for all the very good info. I just discovered that my new portable shortwave RX has an external antenna jack, so I will use that and make myself a sniffer as you suggest; /archives//html/RFI/2001-10/msg00015.html (8,723 bytes)
43. [RFI] Filtered connectors for video cable (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 25 Oct 2001 16:54:45 -0400; You have hit on something. They are currently separate circuits -- don't have to be but are now. I can fix that. The monitor has an AC line filter on it -- supposedly rated for 30 dB attenuation at H; /archives//html/RFI/2001-10/msg00017.html (10,548 bytes)
44. [RFI] Filtered connectors for video cable (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 26 Oct 2001 07:26:48 -0400; As usual, this list comes through. These cables sound quite incredible -- here's their description: "* Basic cable construction: The R,G,B lines are are all 75 ohm video coaxial cables. These are bun; /archives//html/RFI/2001-10/msg00020.html (7,883 bytes)
45. [RFI] Noise (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 27 Oct 2001 01:45:43 -0400; I have just called in a severe case of cable radiation that seems to be related to the downlink band of my cable modem, which I *think* is 2-10 MHz. It clobbers 40m when things are "right", like when; /archives//html/RFI/2001-10/msg00031.html (6,921 bytes)
46. [RFI] Monitor RFI (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 05 Sep 2001 08:34:20 -0400; I am hearing my Sony Multiscan E-100 monitor quite loudly at discrete points in the HF spectrum, particularly above 14 MHz. I want to try winding a few turns of the video cable through a ferrite core; /archives//html/RFI/2001-09/msg00016.html (6,789 bytes)
47. [RFI] Tracking down 80M QRN (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 12 Jul 2001 00:40:14 -0400; I'm almost certain it is reradiating. I'd also be willing to bet that you'll find a low-level source in your immediate neighborhood somewhere. In my case it was an electrically heated dog dish with a; /archives//html/RFI/2001-07/msg00003.html (7,948 bytes)
48. [RFI] Coffee Pot RFI! (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 26 Jun 2001 21:37:43 -0400; Sounds like a close cousin to the electrically-heated dog dish we discovered at a neighbor's house. 73, Pete N4ZR No, no ... that's WEST Virginia -- FAQ on WWW: http://www.contesting.com/FAQ/rfi Subm; /archives//html/RFI/2001-06/msg00036.html (8,184 bytes)
49. [RFI] Re: Radio Frequency Interference (RFI) Digest V4 #56 (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Thu, 28 Jun 2001 12:04:31 -0400; Mode Filter as eliminated? I will bow to anyone who has actually dissected one, but from the external design and claims I have the impression that this is nothing but a 4X overpriced version of the l; /archives//html/RFI/2001-06/msg00043.html (8,031 bytes)
50. [RFI] A description of my RFI problem - help solicited (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 01 May 2001 03:36:45 -0400; particularly because it never happens when it's raining. We found one such on a pole on the edge of my property that was arcing between a bracket (mounting a lightning arrestor) and a lag screw that; /archives//html/RFI/2001-05/msg00000.html (11,071 bytes)
51. [RFI] A description of my RFI problem - help solicited (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 01 May 2001 03:56:30 -0400; ... Actually from my experience this is probably good news. I've been told by K3RFI (who does RFI investigations for a local power company, and has been a great help), and confirmed through reading,; /archives//html/RFI/2001-05/msg00001.html (9,747 bytes)
52. [RFI] A description of my RFI problem - help solicited (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 01 May 2001 07:55:16 -0400; In the case of the noise I mentioned yesterday, it was inaudible on 40m and below, barely audible on 20, definitely there on 15, and quite annoying on 10 anytime I pointed my antennas toward Japan. I; /archives//html/RFI/2001-05/msg00004.html (11,301 bytes)
53. [RFI] A description of my RFI problem - help solicited (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 01 May 2001 15:07:10 -0400; Sure, and I betcha that arc was audible throughout the HF spectrum and beyond. I believe the notion that arcing heard only at higher HF frequencies is likely to be quite close still holds, at least a; /archives//html/RFI/2001-05/msg00010.html (10,280 bytes)
54. [RFI] [DX4WIN] 2m High Power Cordless Phones!!!! (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Wed, 16 May 2001 02:47:18 -0400; These people are low! Check out the first libk, which says only in small letters "Not FCC for USA." They clearly believe the FCC will not act. 73, Pete N4ZR To: <rfi@contesting.com> -- FAQ on WWW: ht; /archives//html/RFI/2001-05/msg00024.html (10,853 bytes)
55. [RFI] Apology (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Wed, 16 May 2001 03:28:54 -0400; The message I just posted may be in error. I took the writer at his word, but afterward, when I followed the link he says is to a phone that operates in a US ham band, it turns out to specify a frequ; /archives//html/RFI/2001-05/msg00025.html (7,190 bytes)
56. [RFI]cordless correction (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Wed, 16 May 2001 14:19:19 -0400; To: <rfi@contesting.com> Just for fun, I called 800Cordless and spoke to someone there about these two phones. His answers -- No, they are not legal for sale in the US, we tell anyone who calls for a; /archives//html/RFI/2001-05/msg00036.html (8,227 bytes)
57. [RFI] software oscilloscope(?) (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Sun, 04 Feb 2001 13:18:49 -0500; Is anyone aware of a freeware or shareware (or demo-able) software program that uses a sound card to produce an oscilloscope-like display of the audio signal? I am particularly interested in being ab; /archives//html/RFI/2001-02/msg00000.html (6,645 bytes)
58. [RFI] RFI from low voltage lighting? (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 20 Feb 2001 18:05:11 -0500; Well, maybe. I have 3 of GE's version of this in my kitchen, and I can't hear them at all. Their little modules may be transformers instead -- they are sealed -- but there is also an overtemp sensor; /archives//html/RFI/2001-02/msg00021.html (8,104 bytes)
59. [RFI] RFI levels (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Wed, 28 Feb 2001 09:51:46 -0500; I'm wondering what the consensus is on a "reasonable" noise level for a rural location on 80 meters in daytime, with no thunderstorm activity within groundwave range. Right now, in CW wide position,; /archives//html/RFI/2001-02/msg00022.html (7,265 bytes)
60. [RFI] Tracking down external noise (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 02 Jan 2001 11:22:06 -0500; I'm going a little nuts here. During CQWWCW and thereafter, my 80m operations were severely handicapped by intense noise. In the wide (LSB) filter position, in daytime, my noise floor is around S9 wi; /archives//html/RFI/2001-01/msg00000.html (8,400 bytes)

Current List: 41 - 60
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17]