grounding antennas

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msherren5
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Joined: Wednesday 30th Aug 2006, 10:47
Location: prince edward island, canada

grounding antennas

Post by msherren5 » Sunday 30th Nov 2008, 10:06

my swr is 4-10 depending if i ground it or not.when its not grounded the swr is around 6.when grounded my swr is 10.it's a cobra 29 in a vovlo tractor.i ran a hard wire ground from antenna to door hinge top and another hard wire from bottom of hinge to frame.not much difference.any ideas.mike

timrim
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Joined: Thursday 29th May 2008, 10:11
Location: Ohio

grounding antennas

Post by timrim » Sunday 30th Nov 2008, 10:45

On the volvo, I use a bird perch mount which works well. If you do not wish to go that route, your antenna may need a counterpoise, which is a couple pieces of #14 wire cut to 1/4 wavelength and stretched out.

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