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Improved Yaw Model Improves GPS Block IIF Satellite Eclipse-Season Attitude and Clock Estimates
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Improved Yaw Model Improves GPS Block IIF Satellite Eclipse-Season Attitude and Clock Estimates
A new observation-driven model improves representation of Global Positioning System (GPS) Block IIF satellite yaw during eclipse-season maneuvers, when attitude control departs from nominal yaw-steering law. Using Reverse Kinematic Precise Point Positioning (RKPPP) estimates from 7.5 years of global tracking data, researchers reconstructed yaw time series across 3,935 noon-turn and 4,115 midnight-turn events. They identified recurring mismatches in rotation direction, maneuver onset timing and p
·Charlottesville, United States
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