Does satellite radio get censored?

No, XM satellite radio is not free, but you can pay a lifetime subscription price at the time you activate your radio that is worth it if you plan to keep your radio for a long time. They have a...

http://www.ontheradio.net/metro/San_Diego_CA.aspx

I think it means you can buy a satellite radio receiver, and your stereo will accept it's input without modification.

No. The satellites used to distribute Sirius/XM "satellite" radio operate on frequencies assigned to Sirius/XM "satellite" radio. They don't operate on frequencies allocated to the GPS system.

Noah Samsara