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References: [ +from:w9ac@arrl.net: 385 ]

Total 385 documents matching your query.

381. Re: [TowerTalk] SELF-SUPPORTING TOWER NEEDED IN THE MIDWEST (score: 1)
Author: "Paul Christensen" <w9ac@arrl.net>
Date: Thu, 29 Feb 2024 12:43:21 -0500
Our 140 ft Pirod tower took 30 cu. yards of 4000 psi concrete and about 23 cu. yards for the 100 ft tower. Four full concrete trucks but some of it was also used to pour two patio type entrances for
/archives//html/Towertalk/2024-02/msg00067.html (11,926 bytes)

382. Re: [TowerTalk] New N6LF Ground Probe Designs (score: 1)
Author: "Paul Christensen" <w9ac@arrl.net>
Date: Sat, 2 Mar 2024 17:38:51 -0500
A while back, Frank, W3LPL attached a link to a paper written on behalf of either NBS or DoD. As I recall, the discussion focused on the non-applicability of ground wave propagation above the BC ban
/archives//html/Towertalk/2024-03/msg00009.html (9,005 bytes)

383. Re: [TowerTalk] New N6LF Ground Probe Designs (score: 1)
Author: "Paul Christensen" <w9ac@arrl.net>
Date: Sat, 2 Mar 2024 17:49:09 -0500
Just found it: "Siting Criteria for HF Communication Centers." Published in 1962 by NBS. Paul, W9AC A while back, Frank, W3LPL attached a link to a paper written on behalf of either NBS or DoD. As I
/archives//html/Towertalk/2024-03/msg00010.html (8,902 bytes)

384. Re: [TowerTalk] Prop Pitch operating characteristics (score: 1)
Author: "Paul Christensen" <w9ac@arrl.net>
Date: Tue, 19 Mar 2024 12:23:12 -0400
I'm hopeful someone will fill Kurt's void. I have 6-8 small prop pitch rotators awaiting rebuilds. Paul, W9AC _______________________________________________ ________________________________________
/archives//html/Towertalk/2024-03/msg00085.html (8,995 bytes)

385. Re: [TowerTalk] All Day Everyday Unattended FT8 (score: 1)
Author: "Paul Christensen" <w9ac@arrl.net>
Date: Wed, 10 Apr 2024 11:37:59 -0400
Getting way off topic, but I'll add this: It's not difficult to establish a remotely controlled FT8 station with a smartphone as a control point. According to the FCC, a critical part of a establishi
/archives//html/Towertalk/2024-04/msg00020.html (9,713 bytes)


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