Just to update what I did to try and solve this problem (with no luck yet) I did read that the problem could be related to the need for Python OpenGL support. I did install Python OpenGL (and OpenGL accelerator) from http://pyopengl.sourceforge.net but that gave me a "X windows system error" on all Gnuradio examples that I tried.
Had to remove Python OpenGL to solve that "X windows system error" but the waterfall sink still only shows blue lines. Then I had Synaptic install the Python OpenGL but with the same "X windows system error" as result. So I had it removed and now I am back at my first problem. Kind regards, Ben 2013/11/24 Ben Z en de rest <[email protected]> > Hi, > > Installed Gnuradio 3.7.2 from source. Had some troubles loading files from > earlier versions so I started from scratch with the FM receiver from author > 2h20. Added a bandpass filter to filter the 19 kHz pilot tone (just for > fun) but want to add the waterfall sink to see / show 57 kHz RDS carrier > (also for fun / getting experience). > > The waterfall sink only shows a blue screen. Tried different range > settings, different ref scale settings and FFT sizes. Stole the settings > from this example > http://www.kj6msg.com/2013/09/gnu-radio-rtl-sdr-and-mac-os-x.html but > still no output. The waterfall also shows no scale information or labels. > > Found another problem about this on the list where the question was what > happened if a signal source was connected to the waterfall sink without > anything else, I tried that also but even there only a blue screen is > filled but no signal and no labels and so on are showed. > > The output window is here: > http://www.pe2bz.nl/hamradio/uploads/images/Selectie_001.png > > Thanks for any advice, > > > Ben >
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