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Re: OT Radio antenna (John T)
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Posted by MarkB_MI on October 08, 2006 at 07:57:11 from (64.31.11.215):
In Reply to: OT Radio antenna (John T) posted by BUDD on October 08, 2006 at 07:02:24:
You have a couple of problems: First, much of the antenna is inside the radio; the whip antenna is an auxiliary. Second, you are assuming that electromagnetic waves at VHF frequencies behave like DC electricity; they don't. The antenna both collects and radiates the signal; the short hop you create when you open the switch doesn't mean much to the signal. The automatic gain control in the receiver will compensate for the loss of signal. If you really want to kill the signal (and I'm not sure why you want do that), try hooking a a switch that shorts the antenna to ground. And I doubt if that will work, either.
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