RDS Surveyor is a Java-based framework for decoding, monitoring and analyzing RDS data (data sent along with VHF-FM broadcasts). It features a comprehensive coverage of the standard, and may use various input devices: among others a sound card connected to a home-made interface or a radio device (such as a Video4Linux device).

jPOCSAG is a POCSAG paging protocol decoder written in Java. It uses the sound card input to sample the signals from a radio receiver.

Pydemod is an experimental set of Python libraries and tools for demodulating radio signals. It relies on NumPy/SciPy.

Display Maidenhead locators on IGN's topographic maps (for France).

A summary of tricky topics for French amateur radio license candidates.