The Proton’s Breeze upper stage placed the 5,280-kilogram Sirius FM-5 into orbit some nine hours and 14 minutes after liftoff from the Russian-run Baikonur Cosmodrome in Kazakhstan.

Sirius eventually acquired rival XM Satellite Radio and elected to adopt XM’s geostationary-orbiting satellite system architecture, which made the FM-4 satellite expendable.

When subscribers turn on their radios this Wednesday, May 4, they will find the new channel lineup already in play, although SiriusXM says that they will not need to reset any radio presets -- the ...

The companies are donating a Sirius FM-4 satellite unit. It was a flight-ready back up that was part of a group of three developed by SiriusXM. The gift was announced Thursday.

4.5K. International Launch Services (ILS) have conducted another launch of the Russian Proton-M launch vehicle, this time carrying the Sirius FM-6 satellite on a multi-hour flight ...

Satellite radio developed in part as a backlash to the homogenization of FM radio in the U.S., in which the playlists at a Los Angeles station differed little from those in Santa Fe, N.M., or ...

Thanks to a new deal announced today, the satellite radio and digital audio company's "entertainment experience" will now be a standard feature in every new "modern offroad-oriented 4x4" from ...

Sirius acquired XM Satellite Radio, which uses conventional geostationary satellites thus rendering FM-4 obsolete. Indeed, Sirius-XM will over the next year retire its three original craft as the ...

The grants were issued after the commission’s lab confirmed that the devices were compliant with applicable Part 15 rules that govern wireless FM modulators. KRI also continues to make the Sirius ...

Sirius XM Radio (NASDAQ: SIRI) announced today that it will present special 4(th) of July programming across its music, talk and sports channels.

Sirius already has agreements with 36 car brands -- nearly all major brands sold in the U.S. -- as well as three recreational vehicle makers and Harley-Davidson.