That’s the idea behind GNU Radio and SDR. GNU Radio provides a wealth of Python functions that you can use to create sophisticated SDR application (or, indeed, any DSP application).

If you've never heard of software-defined radio, that may be because some might liken it to outlaw pirate-radio; it's a wild-west wireless device which will, in theory, receive or transmit radio ...

Call them hackers of the last computing frontier: The GNU Radio coders believe that any device with a chip should be able to do, well, anything.

Armed with an RTL-SDR, GNU Radio, Inspectrum, and a bit of Python, [Zach] was able to identify the signal and begin the process of decoding it. This is where things get really interesting, ...