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

Total 336 documents matching your query.

61. [RFI] Tracking down external noise (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Wed, 03 Jan 2001 15:41:21 -0500; Thanks to everyone who helped me pin things down, I think I may have found it. The constant frying sound was particularly bad today on 28 MHz, still seeming to come from the pole where my previous pr; /archives//html/RFI/2001-01/msg00002.html (7,679 bytes)
62. [RFI] Allegheny Power RFI Specialist? (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Thu, 04 Jan 2001 16:08:42 -0500; Does anyone know the name, phone number and/or location of an RFI specialist in Allegheny Power. They're a middling big company that bought out the local (tiny) Potomac Edison a few years ago, and th; /archives//html/RFI/2001-01/msg00004.html (6,943 bytes)
63. [RFI] DFing power line interference (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Thu, 04 Jan 2001 18:07:18 -0500; I'm seriously considering investing in a VHF AM receiver for DFing power line noise. Has anyone tried either the Radio Shack 12-615 or the 12-456 for this purpose? The prices are sure right. I've sea; /archives//html/RFI/2001-01/msg00005.html (7,882 bytes)
64. [RFI] DFing power line interference (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Thu, 04 Jan 2001 20:19:45 -0500; I saw that in their latest on-line catalogue, Jim -- but I'm cheap! I found a September 1992 QST article (not initially found through the on-line index) that discussed using an earlier Radio Shack RX; /archives//html/RFI/2001-01/msg00007.html (8,390 bytes)
65. [RFI] Nutone Intercom problem (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Sun, 07 Jan 2001 21:19:08 -0500; Don't split bead ferrites generally lack sufficient inductance to be much use at HF, unless you're able to make several turns of the cable through them? 73, Pete N4ZR Contesting is! The World Contest; /archives//html/RFI/2001-01/msg00018.html (8,169 bytes)
66. [RFI] power lines, contd. (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 16 Jan 2001 09:51:49 -0500; What is considered to be a normal, acceptable level of noise radiation from high voltage transmission lines? I was out looking for my 80m noise source yesterday, and noticed when approaching a paired; /archives//html/RFI/2001-01/msg00022.html (7,926 bytes)
67. [RFI] VHF-AM radios (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Mon, 22 Jan 2001 17:59:05 -0500; Are the NOAA weather broadcasts AM or FM? I bought a Radio shack multiband radio the other day for RFI finding, which covers both the aviation band and 145-175 MHz, including weather broadcasts. Band; /archives//html/RFI/2001-01/msg00025.html (7,607 bytes)
68. [RFI] RFI/EMC Help Wanted (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Thu, 25 Jan 2001 13:38:27 -0500; If RFI sufferers can't see the value of helping the ARRL staff up in the EMC/RFI area, heaven help us all! 73, Pete N4ZR Contesting is! The World Contest Station Database is waiting for your input at; /archives//html/RFI/2001-01/msg00036.html (7,339 bytes)
69. [RFI] RFI/EMC Help Wanted (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Thu, 25 Jan 2001 13:41:54 -0500; If RFI sufferers can't see the value of helping the ARRL staff up in the EMC/RFI area, heaven help us all! 73, Pete N4ZR Contesting is! The World Contest Station Database is waiting for your input at; /archives//html/RFI/2001-01/msg00037.html (7,276 bytes)
70. [RFI] A BUZZ on 160! (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Sat, 02 Dec 2000 06:46:02 -0500; There have been messages on other reflectors about this. In some cases, cheap clone power supplies are being built without line filters. Digi-key and Mouser have relatively inexpensive filters for th; /archives//html/RFI/2000-12/msg00002.html (8,091 bytes)
71. [RFI] Another monitor success story (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Sat, 23 Dec 2000 08:38:11 -0500; Different situation -- I had persistent RFI to my wife's Micron monitor, particularly on 80 and 40 and especially on phone. Ferrites on the signal cable etc. helped not at all. On RadioShack.com, I f; /archives//html/RFI/2000-12/msg00022.html (7,864 bytes)
72. [RFI] Quiet Monitors (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Wed, 29 Nov 2000 14:55:29 -0500; I'm in the market for a new 15" monitor for my shack computer, and getting one that is not susceptible to inward or outward RFI is a paramount consideration. I've reviewed archives of a lot of reflec; /archives//html/RFI/2000-11/msg00030.html (7,097 bytes)
73. [RFI] Electronic dog fences (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Mon, 16 Oct 2000 21:51:16 -0400; One of my neighbors has just bought one of these -- uses a small receiver on the dog's collar to sense radio signal from a shallowly-buried antenna. Frequency unknown but probably V/UHF because there; /archives//html/RFI/2000-10/msg00015.html (7,400 bytes)
74. [RFI] electronic dog fences (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 17 Oct 2000 10:07:09 -0400; Thanks for all the comments. Turns out that the one my neighbor has (PetSafe, a bargain-priced Walmart item) operates on VLF (10.6 kHz), and both transmitter and receiver have ASICs in them that code; /archives//html/RFI/2000-10/msg00018.html (7,254 bytes)
75. [RFI] electronic dog fences (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Tue, 17 Oct 2000 11:23:48 -0400; Dale, the only technical reply I received was from someone dealing with another (unspecified) brand, which used the same basic principle -- 8 kHz and coding for interference avoidance. 73, Pete Smith; /archives//html/RFI/2000-10/msg00019.html (7,536 bytes)
76. [RFI] FW: TV set RFI questions (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Mon, 24 Jul 2000 14:22:08 +0000; ARRL HQ used to maintain a list of engineering contacts at the various companies who were more knowledgeable than the 800-number crowd. You might try an e-mail to W1RFI@arrl.org. These days, an awful; /archives//html/RFI/2000-07/msg00011.html (8,012 bytes)
77. FW: [RFI] Spray Shielding? (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Mon, 12 Jun 2000 20:32:13 +0000; One addition ... at least the spray-on stuff I used a few years back was VERY runny. I was unable to keep it confined inside the case, even with masking tape over the louvers. It ran everywhere, and; /archives//html/RFI/2000-06/msg00008.html (8,339 bytes)
78. [RFI] Power Line Interference Manual (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Sat, 06 May 2000 20:22:27 +0000; ... Mike, by the way, is a ham (K3RFI, I think, is his call), PVRC member, and all-round good guy. 73, Pete Smith N4ZR n4zr@contesting.com Don't forget to update your entry on the World Contest Stati; /archives//html/RFI/2000-05/msg00003.html (7,532 bytes)
79. [RFI] W3NQN AC Filter Notes (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Wed, 10 May 2000 02:16:05 +0000; On the face of it, this sounds like an improvement on any of the $125-150 filters out there. Probably overkill for my application, but like other things NQN has done, it's done right. 73, Pete Smith; /archives//html/RFI/2000-05/msg00006.html (6,814 bytes)
80. [RFI] Fwd: Town Code Enforcer (score: 1): Author: Pete Smith <n4zr@contesting.com> (Pete Smith); Date: Wed, 05 Apr 2000 19:58:55 +0000; This "code enforcer" is a real piece of work. However, a close reading of the letter indicated to me that he/she/it recognizes a lack of local jurisdiction, which is why the letter ultimately says "T; /archives//html/RFI/2000-04/msg00005.html (7,507 bytes)

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