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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Antenna\s+tuning\s*$/: 4 ]

Total 4 documents matching your query.

1. Antenna tuning (score: 1): Author: n4to@ct.net (Victor A. Dubois); Date: Wed, 16 Oct 1996 12:38:01 -0400 (EDT); I bow to the antenna specialists on this reflector and pose the following question. I know the resonant frequency will change on the antenna when installed on top of a tower versus being at 6 feet or; /archives//html/Towertalk/1996-10/msg00205.html (7,106 bytes)
2. Antenna tuning (score: 1): Author: mmeehan@wlv.hp.com (Mike Meehan); Date: Wed, 16 Oct 1996 11:50:20 -0700; Vic, Best way is to tune the beam while pointed straight up, with the ref. a few feet off the ground (saw horses). Then take it to the top... I think there was some computer modeling recently in QST; /archives//html/Towertalk/1996-10/msg00210.html (6,885 bytes)
3. Antenna tuning (score: 1): Author: Rasmussen@centuryinter.net (Rasmussen@centuryinter.net); Date: Wed, 16 Oct 96 19:51:56 GMT; Victor, When the beam is low to the ground, the ground acts like a big reflector. This causes RF to be reflected back into the antenna, and current flows helter skelter through the parasitic elements; /archives//html/Towertalk/1996-10/msg00215.html (8,547 bytes)
4. Antenna tuning (score: 1): Author: n3rr@erols.com (Bill Hider); Date: Thu, 17 Oct 1996 04:00:57 -0700; There are many ways to determine this: 1. Model it on your PC using a variety of programs sold in QST. 2. If you have the antenna built, raise it with a non-conducting rope, pointing it straight up,; /archives//html/Towertalk/1996-10/msg00219.html (8,519 bytes)

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