XM's Satellite 'Roll' in Geosyncronous Orbit

XM's Satellite 'Roll' in Geosyncronous Orbit
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XM Satellite Radio's second satellite, "Roll," launched May 8, has completed a sequence of liquid apogee engine firings and entered geosyncronous orbit. Roll is maneuvering towards its final geostationary orbit position at 85 degrees West Longitude.
Roll has deployed its solar arrays and communication antennas, keeping it on pace
to begin transmission tests in mid-June.

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