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RE: [Amps] 10dB and propagation

To: "'k7fm'" <k7fm@teleport.com>, <amps@contesting.com>
Subject: RE: [Amps] 10dB and propagation
From: "Rich" <rdjmgmt@socket.net>
Date: Sun, 6 Feb 2005 09:04:45 -0600
List-post: <mailto:amps@contesting.com>
Do you know how I can get a map of the duct locations , I have never
been lucky enough to live close to one ?

Rich  kd0zz


I used to wonder how come I could use a tri-band beam, advertised at 8
db
gain, and an amplifier advertised at 1500 watts and yet be 15 db down
from
other local stations who were using 3 element mono-banders.  Since the
power
limit is 1500 watts, they would naturally have been running the same
power
as me.

This non-linear ionospheric amplification must therefore have been the
explanation.  I had been puzzled for years.  They obviously lived in
such a
duct, while I did not.

Colin  K7FM


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