[amsat-bb] Re: New Preamp
dguimon1 at san.rr.com
Wed Sep 19 16:59:35 PDT 2007
Thank you, Dom....I've been wracking my poor memory wondering who had
written that article..
But I do remember very well "when we had a 2.4 hamsat downlink", that
if I couldn't "hear" the sun I knew something needed attention in my
system!! And wouldn't bother to listen....
>About this matter the best I can suggest is to read the following
>"Noise Temperature,Antenna Temperature and Sun Noise "
>by Bob Atkins, KA1GT
>"Microwave Systems Calibration Using the Sun and Moon"
>by David B. Shaffer, W8MIF
>Both articles are published in the ARRL UHF/Microwave
>Experimenter's Manual ARRL Order No. 3126
73, Dave wb6llo at amsat.org
Disagree: I learn....
Pulling for P3E...
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