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[Discuss-gnuradio] FM receiver with RDS

From: Marcus D. Leech
Subject: [Discuss-gnuradio] FM receiver with RDS
Date: Sun, 26 Feb 2012 19:30:42 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16

Here's a teaser screen shot of what I've been working on.

I'm not happy with the bit synchronization in the decoder function, so I'm not releasing this yet. But here's a screenshot.

(And no, I'm not a fan of Country, but that station has a strong RDS signal, so it lets me do more testing :-) ).

The other station on the *same* tower has a signal that's about 12dB lower, and the RDS carrier is quite weak--according to the registration data, they're both putting out 100kW, but the weaker station is 100ft lower on the tower. Propagation, how it work? :-) :-)

Both stations I use are just over 100km away from me, and I'm using a TVRX2.

Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium

Attachment: fm_receiver.png
Description: PNG image

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