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Total 3 documents matching your query.

1. [TowerTalk] Breaking boom resonance (score: 1): Author: Steve London <n2icarrl@gmail.com>; Date: Tue, 28 Mar 2017 09:57:35 -0600; I have a 34 foot boom supporting an 80 meter wire beam. The elements of the wire beam are completely insulated from the boom. 30 feet below that boom is a 20 meter beam. Yes, there is definitely inte; /archives//html/Towertalk/2017-03/msg00406.html (7,215 bytes)
2. Re: [TowerTalk] Breaking boom resonance (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Wed, 29 Mar 2017 06:24:37 -0400; I had a similar issue with my 20m boom being resonant on 40m. In my case I made it so the antennas could not be turned separately. For for a fixed wire beam I think that the easiest solution would be; /archives//html/Towertalk/2017-03/msg00430.html (7,683 bytes)
3. [TowerTalk] Breaking boom resonance (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Wed, 29 Mar 2017 22:26:48 -0700; change the resonance. Story I got was you want to avoid floating half wave booms, or grounded quarter wave booms. IF the 34 ft boom is no doubt bonded to the tower, then you end up with 2 x quarter w; /archives//html/Towertalk/2017-03/msg00433.html (8,988 bytes)

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