Hi, I think it's TDMA/FDMA, not spread spectrum. Each channel is about 30KHz.
Best regards, Cheng Chi On Wed, Jan 29, 2014 at 10:17 AM, Marcus D. Leech <mle...@ripnet.com> wrote: > On 01/28/2014 09:14 PM, Cheng Chi wrote: > > Hi, > > I am trying to collect signal from Thuraya-3. Here is the setup I used: > - USRP N210 + WBX > - LNA with 30dB gain (ZHL-1217MLN) > - Iridium Antenna (I don't have specific antenna for Thuraya right now. > Since Iridium and Thuraya frequency bands are quite close, I suppose it > would work more or less) > > Center frequency: 1530MHz > Sampling rate: 10MHz > > From the spectrum (attached), I can see the Inmarsat signal, but no sign > of Thuraya signal. Anyone has suggestion about how to receive the thuraya > signal? > > Best regards, > Cheng Chi > > > > _______________________________________________ > Discuss-gnuradio mailing > listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > Is the Thuruya signal spread spectrum? > > > > -- > Marcus Leech > Principal Investigator > Shirleys Bay Radio Astronomy Consortiumhttp://www.sbrac.org > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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