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Steve Markgraf steve at steve-m.deHi, On 15.11.2012 21:11, Ron Senykoff wrote: > 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. gqrx uses gr-osmosdr as source block, so it's identical. > 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?). Yes, the 'Gain' argument. > Also using the OSMOSDR block I still see an LO like spike right in the > middle. gqrx uses an internal DC offset correction algorithm, which you'd need to implement in your flowgraph as well if you want to remove the spike. Regards, Steve