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Re: [Discuss-gnuradio] about RDS and FM transmission

From: Rafael Diniz
Subject: Re: [Discuss-gnuradio] about RDS and FM transmission
Date: Thu, 10 Sep 2009 10:55:04 -0700 (PDT)
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Thanks Dimitris!
I'll run your code w/ my USRP, but I don't have enough knowledge to fix it.
Please let me known when you finish the transmit path - I think there is
no free radio in Brazil doing RDS.

Rafael Diniz

> Hi Rafael, I'm the current developer of GR-RDS.
> The RDS signal has to be mixed with the mono, pilot tone and stereo
> signals
> BEFORE fm modulation.
> Also, be aware that the transmit path is not working yet, I'm debugging it
> when I have some spare time to fix it. Any help is welcome.
> You should use the BasicTX daughterboard.
> Dimitris Symeonidis
> "If you think you're too small to make a difference, try sleeping with a
> mosquito!" - Amnesty International
> On Wed, Sep 9, 2009 at 20:57, Rafael Diniz <address@hidden> wrote:
>> Hi people,
>> I'm a volunteer of a free radio here in my city (Campinas), and looking
>> at
>> CGRAN I found a RDS receiver/transmiter:
>> https://www.cgran.org/wiki/RDS
>> Can I modulate only the RDS data using this gnuradio software and then,
>> inside the FM transmitter, between the exciter and the power amp mix the
>> RDS signal together w/ the FM signal?
>> They have to be at the same power level to be mixed, right?
>> Do anyone have any experience w/ that?
>> What daughterboad to use (FM band)?
>> Thanks in advance,
>> Rafael Diniz
>> _______________________________________________
>> Discuss-gnuradio mailing list
>> address@hidden
>> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

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