R820T and Gnuradio

Ron Senykoff rsenykoff at gmail.com
Thu Nov 15 20:11:06 UTC 2012


I have gnuradio running with the R820D DVB. Latest GQRX has the nice rf
gain inside which REALLY helps. Has this been merged over to gr-osmosdr ? I
recompiled probably just a few days, both from source.

I'm trying to figure out how to set gain from within gnuradio (is there a
argument I can pass the device in the source block?).

I've been successfully decoding AFSK1200 APRS using gqrx and am trying to
figure out how to set up an ultracheap iGate for APRS, maybe with gnuradio
in the mix.

Also using the OSMOSDR block I still see an LO like spike right in the
middle.

Here's my output starting GQRX. Interesting it's saying gr-osmosdr
supported device types...

ron at tripel:~$ startGqrx.sh
ron at tripel:~$ gr-osmosdr supported device types: file fcd rtl rtl_tcp uhd
>>> gr_fir_ccf: using 3DNow!
>>> gr_fir_ccc: using 3DNow!Ext
>>> gr_fir_fff: using 3DNow!
gr-osmosdr supported device types: file fcd rtl rtl_tcp uhd
Using device #0: Generic RTL2832U (e.g. hama nano)
Found Rafael Micro R820T tuner

TIA!
-Ron / KB1UMH
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