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Total 4 documents matching your query.

1. [TowerTalk] Thumper (score: 1): Author: "Merlin-7 KI4ILB" <merlin-7@sc.rr.com>; Date: Wed, 12 Jul 2006 21:21:52 +0100; I know this is not the best place to ask this but I do not want to join any more NG's What causes the thumping sound that you can get (I mostly hear it on 20m) on HF? They are about 1 secound apart a; /archives//html/Towertalk/2006-07/msg00400.html (6,905 bytes)
2. Re: [TowerTalk] Thumper (score: 1): Author: "Tom Osborne" <w7why@verizon.net>; Date: Wed, 12 Jul 2006 18:41:57 -0700; Do you have a computer hooked to your radio? Sometimes the poling will make a noise in the receiver in sync with the poling speed. 73 Tom W7WHY _______________________________________________ _______; /archives//html/Towertalk/2006-07/msg00416.html (7,958 bytes)
3. Re: [TowerTalk] Thumper (score: 1): Author: "Cam and Juli Hedrick" <walnutcreek@appstate.net>; Date: Wed, 12 Jul 2006 22:34:17 -0400; I heard the same thing last night. Could it be some new over the horizon radar system? I'll do some checking and report back if I find out. Cam Hedrick WA4JKW ________________________________________; /archives//html/Towertalk/2006-07/msg00424.html (7,026 bytes)
4. Re: [TowerTalk] Thumper (score: 1): Author: "Merlin-7 KI4ILB" <merlin-7@sc.rr.com>; Date: Thu, 13 Jul 2006 03:30:07 +0100; It is not something at my QTH. It sounds almost like the atomic clock transmissions but is very broad band and dirty.. It will be there one day than gone foe a week or so and then it is back. I think; /archives//html/Towertalk/2006-07/msg00431.html (8,230 bytes)

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