[amsat-bb] Re: AO-51 V/S

[Andrew Glasbrenner]

Put the downconverter RIGHT at the antenna feedpoint. Any coax between the 
dish feed and the downconverter or preamp is usually disastrous.

Good Luck!

73, Drew

----- Original Message ----- 
From: "Greg Dober" <almetco at comcast.net>
To: <amsat-bb at amsat.org>
Sent: Monday, January 05, 2009 8:25 PM
Subject: [amsat-bb] Re: AO-51 V/S


>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?
>
> Greg
> N3MVF
>
> -----Original Message-----
> 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:
> VE3NPC
> KB1RNI
> N3MVF
> AJ8P
> KC9ELU
> AK5V
>
> 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
> you.
>
> 73, Drew KO4MA
>
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