[amsat-bb] Re: Technical question AO-51
oz1my at privat.dk
Wed Jun 9 21:25:11 PDT 2010
The sensitivity is -117 dBm for 10 to 12 dB SINAD.
----- Original Message -----
From: "Andrew Glasbrenner" <glasbrenner at mindspring.com>
To: "Robin Theunis" <robint91 at gmail.com>
Cc: <amsat-bb at amsat.org>
Sent: Thursday, June 10, 2010 12:43 AM
Subject: [amsat-bb] Re: Technical question AO-51
> Robin Theunis wrote:
> > 1) In V/S mode What is the average output power?
> About 1.5 watts.
> > 2) What kind of antenna is used on 2.4GHz and 1.3Ghz?
> A dual band antenna built by Stan Wood WA4NFY.
> > 3) What is the sensitivity of the 1.3Ghz receiver?
> I don't have these numbers at hand, but it's not super. The L receiver
> is actually the same receiver as HF, i.e. an all band, all mode type
> synthesized receiver.
> > 4) Some where I reeded that AO-51 has an HF receiver? If it true, for
> > what is the purpose?
> We initially wanted to try 28MHz/435MHz PSK31, but with the short
> antenna, and extra losses in a last minute hardware change, this mode
> does not work very well.
> 73, Drew KO4MA
> AMSAT-NA VP Operations
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