[RFI] Auto quieting
jim at audiosystemsgroup.com
Sun Oct 11 02:59:55 EDT 2015
On Sat,10/10/2015 11:41 PM, KD7JYK DM09 wrote:
> : "Great" compared to what?
> Exceptional compared to nothing at all or something worse.
> : Many years ago, zip cord was measured by ARRL
> : Labs and found to be fairly lossy -- 3.9 dB/100 ft at 14 MHz -- with Zo
> : of 105 ohms. A low dipole (1/4 wave high or less) typically has
> : feedpoint Z of 50 ohms or lower, so it's not a very good match.
> Irrelevant in the mentioned applications.
Lessee -- it's an emergency, we're likely on emergency power, maybe QRP,
and it's irrelevant that you're losing half the TX power in a feedline?
73, Jim K9YC
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