I've been a Sirius subscriber for years, but my vehicle unit recently was stolen, so I'm looking for a new portable (as in MP3-player-sized, portable live radio) unit. Since XM and Sirius are now ...

For Sirius, the deal with Stewart is the most recent effort to compete with its much larger rival in the emerging satellite radio business, XM Satellite Radio Holdings Inc. District-based XM ...

Neither XM nor Sirius had managed to sign up enough subscribers to cover their operating costs. The FCC granted separate licenses for broadcast spectrum space to the companies in 1997.