[amsat-bb] Re: AO-51 Telemetry

Gould Smith gouldsmi at bellsouth.net
Wed Dec 12 08:07:58 PST 2007

Hello Andrew,

AO-51 does send telemetry on 435.150.  It is 9600 bps FSK.

It is about the same strength as the analog signal, but you need a better 
S/N ratio to be able to decode the data.

I always recommend a preamp at the antenna for digital reception.

Gould, WA4SXM
AO-51 Command Station

----- Original Message ----- 
From: "Andrew Rich" <vk4tec at people.net.au>
To: "Amsat-Bb at Amsat. Org" <amsat-bb at amsat.org>
Sent: Wednesday, December 12, 2007 7:18 AM
Subject: [amsat-bb] AO-51 Telemetry

> Does AO-51 send telem on 435.150 ?
> I have been listening and heard voice on 435.300 but no obvious data.
> Maybe it is weaker ?
> ----------------------------------------------------------------------------
> Andrew Rich VK4TEC
> vk4tec at people.net.au
> http://www.tech-software.net
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