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Re: S-Band Preamp Necessary?



In most cases yes.  A 1m dish with a <1 dB total system NF will give you
excellent results.  Also bear in mind that reducing the NF 1db will provide
much more than a 1 dB improvement in SNR.

Lee-KU4OS

----- Original Message -----
From: "Jeff Breitner" <zptr@developerschoice.net>
To: <amsat-bb@AMSAT.Org>
Sent: Monday, March 17, 2003 8:43 AM
Subject: [amsat-bb] S-Band Preamp Necessary?


>
> I've been experimenting with a couple old offset antennas I've had in my
garage
> for a while.  One is the Primestar, the other is a DirecPC.
>
> I've had very minor success in hearing AO-40, and I believe that this is
due to
> the feed assembly not being quite as good as it should be.  However, I'm
> curious if it's generally accepted that a preamplifier is required.
>
>
>
> ----
> Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
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----
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