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Topband: Antenna suggestions please

To: <topband@contesting.com>
Subject: Topband: Antenna suggestions please
From: Telegrapher9@aol.com (Telegrapher9@aol.com)
Date: Tue, 26 Nov 2002 08:05:49 EST
I'm installing a new vertical this weekend and am open to suggestions to get 
more out of it. Here are the details and thanks:

12 meter tall self-supporting vertical built to take the highest recorded 
wind here 
Top Loaded with 80 uH, Q=300 coil
Four top hat spokes 7 feet long, no perimeter wires
Residential yard- antenna is 5 feet from the house
Radials running under the house for 30 to 50 feet
Radials in the yard running 35 to 45 feet to 1 meter ground rods
Fed directly with RG-8 (expect 25 +j0 at resonance)
Target radiation efficiency of 30%

The first use of this antenna will be running QRP in the ARRL 160 meter 
'test.

     Dave WX7G



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