[amsat-bb] Re: Listening to Funcube with RTL-SDR

Michael Mat_62 at charter.net
Sun Nov 24 09:08:34 PST 2013

  Your approach is similar to something I tired to do several months ago 
before  AO-73 was launched.  My idea was to try and use an RTL dongle as 
an inexpensive sat RX. I was using HDSDR with the dongle and an omni 
scanner antenna.  I didn't have any luck at all receiving SO-50 but was 
able to copy some stuff  from VO-52.  I also had desense issues  when I 
conducted experiments with an old two meter HT I have lying around here. 
I was going to experiment with some filters to cope with the desense and 
build an preamp based on the design of the one available from AMSAT but 
I got discouraged a bit and sidetracked so the project went on the back 
burner. Just lately I tried the SDR Radio console with my RTL dongle but 
could never get the software to recognize it.  I apparently have some 
files missing and it hasn't been clear to me which ones or where to find 
them. I very much wish I could afford a Funcube dongle pro but it's not 
in the cards for me right now. Perhaps I'll give receiving AO-73 a shot 
again.  Been thinking about it.  I appreciate you posting your experiences.
Michael, W4HIJ
On 11/24/2013 11:28 AM, Jason Charles wrote:
> All,
> I posted an inexpensive way to listen and decode the Funcube telemetry
> with the cheap RTL-SDR dongle.  This can apply to almost any satellite
> too. What makes this setup unique is the ability for SDR-Radio (v2) to
> listen to Wide Upper Side Band and the Funcube dongle to Autotune.
> Between the two you don't need to worry about doppler correction for
> telemetry decode.
> I also have the I/Q file and the audio of the transponder pass from
> last night on there. I hope you find it useful. It has has been great
> fun for me!
> 73 de Jason, N4JTC
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