Satellite radio promises no static, few commercials, and 100 channels . . . at a cost.

Radio Activity

XM, which is headquartered in Washington, D.C., will compete with New York-based Sirius Radio for subscribers. The two services employ similar technology to beam their music and talk channels to drivers. Though Sirius depends on three satellites to XM's two, there should be little or no difference in performance.


Motorists can buy satellite-ready car radios -- from Alpine, Kenwood, Pioneer, Sony, and other manufacturers -- for installation in existing vehicles. Expect prices to start at around $350, with another $300 in installation costs. Moreover, carmakers such as GM are already building satellite radios into their newest models (Cadillacs will be among the first to have them).


For now, satellite radios will be capable of receiving only one of the two services (in addition to AM and FM). But XM and Sirius are working toward technical compatibility, so in the future, hardware that can receive both services should become available.



  

XM

Sirius

        

Price

$9.95 per month

$12.95 per month

        

Stations

71 music; 29 talk

50 music; 50 talk

        

Commercial free

Less than half the music stations

All music stations

        

Programming Heavyweights

BBC World Service, Bloomberg, CNN, ESPN, Fox News, MTV, the Weather Channel

BBC World Service, Bloomberg, CNBC, CSPAN, NPR News, World Radio Network

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