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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Trees\s+Impeding\s+HF\s+Signals\?\s*$/: 3 ]

Total 3 documents matching your query.

1. [TowerTalk] Trees Impeding HF Signals? (score: 1)
Author: heatwole@clark.net (Nat Heatwole)
Date: Wed, 11 Jul 2001 19:21:36 -0400
This is substantially more of an issue at VHF/UHF, but I'm wondering how much trees/shrubbery impede signals at HF? If your antenna has to "see through" a fair number of trees to get to EU (for examp
/archives//html/Towertalk/2001-07/msg00195.html (8,211 bytes)

2. [TowerTalk] Trees Impeding HF Signals? (score: 1)
Author: w7ti@dslextreme.com (Bill Turner)
Date: Wed, 11 Jul 2001 19:00:08 -0700
_________________________________________________________ When I lived in the Seattle area I had a number of 110+ foot tall Douglas firs about 20 feet from my antenna, completely covering the path to
/archives//html/Towertalk/2001-07/msg00202.html (8,400 bytes)

3. [TowerTalk] Trees Impeding HF Signals? (score: 1)
Author: n4kg@juno.com (n4kg@juno.com)
Date: Thu, 12 Jul 2001 07:13:02 -0600
The military used HF for their mobile communications in Vietnam precisely because it would penetrate the jungle environment. There was an article in Ham Radio Magazine on phased verticals many years
/archives//html/Towertalk/2001-07/msg00208.html (7,500 bytes)


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