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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