[amsat-bb] Re: AO-51 V/S
almetco at comcast.net
Mon Jan 5 17:25:55 PST 2009
I had a problem hearing the pass. I see I made it into the bird. I used a
grid parabolic 23.5 x 39.25 x 15 inches with a keps.it downconvertor/preamp.
I could hear some stations fading in and out, but just wasn't strong enough
to hear them all or myself.
That antenna seemed to work well for AO-40, but seemed light on this try.
Next good pass, switching to a 17 turn Directive System circular
polarization antenna. Seeing if my receive will be better for AO-51
Any opinions on the grid vs. cp?
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
Behalf Of Andrew Glasbrenner
Sent: Monday, January 05, 2009 7:48 PM
To: amsat-bb at amsat.org
Subject: [amsat-bb] AO-51 V/S
Heard this evening so far on V/S:
I made an interesting recording of the S band transmitter last pass with
WinRad and my SDR-IQ. The signal peaks about 45 db above the noise! This is
with a 3 ft dish with a patch feed, preamp at the feed, and keps.it
downconverter to a hamtronics converter to the -IQ.
I'll make the recording available to anyone who'd like it, and the software
to play it is available for free at http://www.winrad.org/ . The catch is it
is about 530Mb. Maybe someone has a website they would put it on? Otherwise
if you want it, send me a SASE and blank CD or DVD and I'll make a copy for
73, Drew KO4MA
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