Satellite radio : a radio version of cable television- without the cables
Sirius xm : is a paid method… Monthly fee for the commercial-free programming which provides special receives that could pick up satellite transmissions broadcasting a wide range of formats on different channels to listeners .
HD radio : is essentially a digital transmission of radio signals resulting in LESS static and BETTER.
Internet radio: is simply the streaming of Audio programs through the medium of internet.
Pandora radio: doesn’t provide or distribute programs but allows users to create their own custom music radio stations.
Podcasting : podcasting employs downloadable rather than streamed programs .