Hi All,
Is it linear polarized, if so which?
If not, then which circular polarisation?
Patrik
----- Original Message -----
From: "Marcus D. Leech" <mle...@ripnet.com>
To: <discuss-gnuradio@gnu.org>
Sent: Friday, January 21, 2011 5:35
Subject: Re: [Discuss-gnuradio] NanoSail-D turns out isn't lost!
On 01/20/2011 08:35 PM, Alexandru Csete wrote:
I tried earlier today with a handheld Arrow II yagi connected directly
to WBX. I could hear it but it was too weak to decode. A bigger yagi
should give sufficient signal.
In case you receive, it is very easy to decode the telemetry. It uses
1200 bps AFSK FM modulating the carrier, so a simple NBFM receiver and
the audio fed to e.g. multimon
(http://www.baycom.org/~tom/ham/linux/multimon.html) works. Decoded
telemetry can be submitted to the ops team at
http://beacon.engr.scu.edu/Submission.aspx
Have fun!
Alex
_______________________________________________
Yup, I knew it was 1200 AFSK FM.
Good to know you *almost* demodulated it successfully with WBX.
I rather doubt that I'll be able to get to my groups 60ft dish before
the topic becomes
uninteresting :-(
But I do have a 70cm YAGI in my store-room somewhere, perhaps I shall
dig it out, and
wait for a pass over my city to see if I can demodulate the signal!
--
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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