Tomorrow, February 20th, XM and Sirius will hold a joint conference call and webcast on at 8:30 AM ET to discuss this announcement.

The conference call can be monitored by dialing 800-573-4840 within the U.S. and 617-224-4326 for all other locations, passcode 29490052.

The webcast can be accessed on both Sirius' website or XM's website, as well as on both their satellite radio services by tuning to SIRIUS channel 122 and XM channel 200.

For those who cannot listen in, Orbitcast will be live-blogging the call so you can get your updates right here.