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Pages 123-123

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From page 123...
... First, technical enhancements to improve the overall performance of the GPS for all users are presented; these are followed by enhancements that will benefit specific GPS user groups. GPS IMPROVEMENTS TO IMPROVE OVERALL PERFORMANCE Use of a 24-Satellite Ensemble Clock Currently, clock offset corrections are determined on the ground and then sent to the individual satellites once a day as they pass over a GPS monitoring station.


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