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For non-satellite radios, portable units plug into the car's audio system, as well as a home stereo. For older cars that do not have external audio jacks, some portable units output an FM signal ...

Audio entertainment giant SiriusXM, the home of Howard Stern, reported on Tuesday that it lost 359,000 self-pay subscribers ...

Godes, David B., and Elie Ofek. "XM Satellite Radio (A) and (B) TN." Harvard Business School Teaching Note 504-082, April 2004. (Revised September 2006.) ...

Being the exclusive satellite radio home of these BCS games is one more example of why XM is the ultimate destination for college football fans. With more than 5,000 live sporting events a year ...