[amsat-bb] Re: Question about HamTV

Graham Shirville g.shirville at btinternet.com
Tue May 21 11:34:41 PDT 2013

Hi Raydel,

I stand to be corrected but a these dongles are specified for DVB-T so I 
dont think they would work for signals using DVB-S modulation.

The signals from the ISS will be at 1.3Msps or 2.0Msps - I believe that only 
the Technotrend T1600 and T3200 cards have, so far, been identified as being 
suitable for these very low symbol rates 

It is anticipated that more detailed info for potential ground stations will 
be made available quite soon.



-----Original Message----- 
From: Raydel Abreu Espinet
Sent: Tuesday, May 21, 2013 4:41 PM
To: amsat-bb at amsat.org
Subject: [amsat-bb] Question about HamTV


About the future HamTV experiment, is it possible to use a cheap RTL DVB-T 
dongles used or RTLSDR to receive such signals with proper LNA and 
downconverter. If the downconversion fits the signal on a proper channel 
does it device is capable of decode the transmitted format???


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