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Old November 6th 04, 02:22 AM
Frank Gilliland
 
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On Fri, 05 Nov 2004 22:22:03 GMT, sideband wrote
in :

Jay:

Thanks for your input.. A couple of things, though..

If the coax is being used as a counterpoise, it's not part of a
capacitive grounding system.

The capacitive ground comes from the metallic base/magnet mount to the
vehicle body, not from the coax.



That was an issue when I did the mag-mount tests a few months ago. As
it turns out, the coax can provide plenty of capacitive coupling to
the vehicle, even more than the mag-mount under certain conditions.
But neither of them provide much coupling, not nearly as much as would
be needed to compare with a properly mounted base.






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