XM Satellite Radio
 XM Satellite Radio (XM) is one of two satellite radio (SDARS) services in the United States and Canada operated by Sirius XM Radio. It provides pay-for-service radio analogous to cable television. Its service includes 73 different music channels 39 news sports talk and entertainment channels 21 regional traffic and weather channels and 23 play-by-play sports channels. XM channels are identified by Arbitron with the label XM (e.g.