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Old 12-28-2007, 10:48 PM   #4
WA6IRQ
Junior Member
 
Join Date: Dec 2007
Posts: 8
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Roger,
First off change out the coax to LMR400 . It has better shielding and lower loss. Route the cable away from any other wires.
Add some loops as Bill suggested. Make sure you are getting your 12 VDC direct from the battery and place the Ferrites on only one end of the wire.

If that does not work try experimenting with adding ground radials from the antenna base to determine if you are really having a ground problem. On my 5th wheel, I have to add a few radials across the roof for HF work ( 40 meters ). I also grounded my ladder, but that did not seem to make any difference.

Just my 2 cents worth….

P.S. what kind of antenna are you using?
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