[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] Questions about receiving signals of Inmarsat I-4
|
From: |
Louis Brown |
|
Subject: |
Re: [Discuss-gnuradio] Questions about receiving signals of Inmarsat I-4 Satellites |
|
Date: |
Sat, 29 Mar 2014 11:03:01 -0500 |
Did you use gr-phosphor for that plot?
On Mar 29, 2014, at 10:39 AM, Sylvain Munaut <address@hidden> wrote:
> This is what I found for inmarsat :
>
> http://i.imgur.com/KygwHdD.jpg
>
> Some 200 kHz channels and some 50 kHz channels.
>
> There is also some 30 kHz channels with a small 'X' periodically in
> the spectrograme. Those are GMR-1 and probably leak through from
> Thuraya (either reflections off buildings, or my antenna polarization
> sucks). Or maybe inmarsat has some GMR-1 carriers, but I doubt it.
>
> Cheers,
>
> Sylvain