TAG: Schriever Air Force Base

How U.S. Air Force 19 SOPS Puts GPS Satellites in Orbit

November 21, 2014By
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It's been a busy year for members of the 19th Space Operations Squadron. As operators of the GPS launch and early orbit, anomaly-resolution and disposal system, 19 SOPS members executed a historically high number of satellite launches (four), and disposed of a legacy GPS vehicle, all within the past 10 months. read more

Next-Generation Clock Increases Stability to 300 Picoseconds

February 11, 2014By
Schreiver-Master-Clock-O

The U.S. Naval Observatory’s Alternate Master Clock on Schriever Air Force Base received its second rubidium fountain clock February 4 to ensure it has the most precise time in the world. Both the USNO’s Washington D.C.-based primary and its local Alternate Master Clock facility serve as the Department of Defense’s common time reference. Additionally, the USNO monitors the GPS constellation... read more