This is something that started as a proof-of-concept thing one evening not long after discovering how to do ARMA extensions in C#.
nRadio is a small mod for ARMA that allows clients to listen to internet radio mp3 streams. The mod includes a set of simple functions to interact with the extension and a basic "radio" dialog. Here is a small video of an earlier version:
Get the latest version on GitHub @ https://github.com/maca134/arma-nradio