GNURadio is really cool. But the documentation is quite poor. With that in mind here are some tips and useful flowgraphs that will get you started with some of the basics, as well as some random and unorganised tips.

Mark MM3IIG

Depending on the specifics of your recording you may need to change bits of this. You’ll want to use a WAV file sync, set the channels to two, and then immediately convert from float to complex to do useful things with the data. Then you’ll want a throttle block to set your desired sample rate.

Add a list of useful GRCs with explanatory text here. You can build your own projects off these.

To be added:

• NFM Modulation
• NFM Demodulation
• QPSK Modulation
• QPSK Demodulation
• BPSK Modulation
• BPSK Demodulation