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Total 11 documents matching your query.

1. Topband: Wideband noise on 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sun, 14 Jan 2001 21:25:22 -0600; Success!!!! My noise went from solid S9 to zip. The cause? The 2 meter repeater in Hutchinson MN was experiencing problems with noise. I wondered "related maybe?" It turns out that some lady had hook; /archives//html/Topband/2001-01/msg00152.html (7,513 bytes)
2. Topband: Wideband Noise on 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Tue, 26 Dec 2000 10:42:36 -0600; Greetings! I have been plagued this winter with excessive wide band noise at my location. In my quest to find its source, I have made several interesting observations I want to share and get some hel; /archives//html/Topband/2000-12/msg00140.html (10,161 bytes)
3. Topband: Wideband Noise on 160 (score: 1): Author: Michael Tope" <W4EF@dellroy.com (Michael Tope); Date: Tue, 26 Dec 2000 12:17:29 -0800; Hi Ford, Sounds like you have established that the noise is not coming from your receiver. The next thing I would do is try to establish whether the noise is generated locally (e.g. within your neigh; /archives//html/Topband/2000-12/msg00141.html (8,557 bytes)
4. Topband: Wideband Noise on 160 (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Tue, 26 Dec 2000 15:01:41 -0600; Ford: Your problem may be solved with a highpass filter (pass 1.8 MHz and higher) that attenuates the AM broadcast band and everything else below 1.8 MHz. There is a circuit in the ARRL Handbook. I a; /archives//html/Topband/2000-12/msg00142.html (7,986 bytes)
5. Topband: Wideband Noise on 160 (score: 1): Author: 4x4nj@iname.com (R. Kline); Date: Tue, 26 Dec 2000 23:39:58 -0000; You may find some additional clues in checking out any directional characteristics. A small loop antenna should be fine for that. An additional possibility is what is called the "rusty bolt" syndrome; /archives//html/Topband/2000-12/msg00144.html (7,979 bytes)
6. Topband: Wideband Noise on 160 (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Tue, 26 Dec 2000 21:00:16 -0500; Hi Ford.... For 8 years I lived beside a 12kv 3 phase power line that was very noisy. Looking at a scope connected to the 940's IF output, I could see that the noise came in two varieties. First was; /archives//html/Topband/2000-12/msg00145.html (8,194 bytes)
7. Topband: Wideband Noise on 160 (score: 1): Author: w8ji@contesting.com (Tom Rauch); Date: Tue, 26 Dec 2000 21:19:41 -0500; Hi Ford, Anything switching or arcing can cause a problem like that. Most likely it is something arcing, or switching very hard at a very low frequency (like a light dimmer, battery charger, or gas v; /archives//html/Topband/2000-12/msg00147.html (9,819 bytes)
8. Topband: Wideband Noise on 160 (score: 1): Author: n0tt1@juno.com (Charlie Hansen); Date: Wed, 27 Dec 2000 04:13:28 +0000; Season's Greetings to all! I have heard that corona discharge is audible at a some ultrasonic frequencies. If this is true, does anybody know what range or specific frequency? 73, Charlie, N0TT -- FA; /archives//html/Topband/2000-12/msg00151.html (7,601 bytes)
9. Topband: Wideband Noise on 160 (score: 1): Author: K3BU@aol.com (K3BU@aol.com); Date: Wed, 27 Dec 2000 09:54:53 EST; My 2 cents: 1 cent: cheap Chineese lamps, the black tall lamp with dish like fixture and quartz bulbs. The dimmer in them is a white noise generator. 2nd cent: puzzled me in CQ WW CW on 10m. I was so; /archives//html/Topband/2000-12/msg00153.html (8,419 bytes)
10. Topband: Wideband Noise on 160 (score: 1): Author: W2pm@aol.com (W2pm@aol.com); Date: Wed, 27 Dec 2000 11:10:03 EST; Recently I found another unusual wideband noise source for a new ham closeby - his water bed heater - which was in the OFF position! Only pulling it out of the wall outlet solved the problem which wa; /archives//html/Topband/2000-12/msg00155.html (8,074 bytes)
11. Topband: Wideband Noise on 160 (score: 1): Author: eric@k3na.org (Eric Scace K3NA); Date: Thu, 28 Dec 2000 18:04:23 -0500; An easier solution to identifying noise sources in the house: a) Go to the main circuit breaker panel in your house, and turn off everything except the feed to the shack. See if any noise>sources go; /archives//html/Topband/2000-12/msg00176.html (8,090 bytes)

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