GPS IIF yaw attitude control during eclipse season - IGS Analysis ...

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Evidence for GPS IIF yaw attitude modeling issues GPS IIF yaw attitude control during eclipse season | Dilssner et al. | Pag. 6
Epoch-wise yaw angle estimation – 30-sec code & phase measurements from global IGS tracking network – 1 st step: IGS-like GNSS analysis – 2 nd step: Resolving satellite clocks & phase centre positions epoch-by-epoch (“reverse kinematic point positioning”) – “Nominal” yaw attitude model employed – Yaw error reflected in horizontal PCOs GPS IIF yaw attitude control during eclipse season | Dilssner et al. | Pag. 7
Page 1 and 2: GPS IIF yaw attitude control GPS II
Page 3 and 4: Sun-nadir-steering (2/2) GPS IIF ya
Page 5: Estimated GPS IIF satellite antenna
Page 9 and 10: Midnight-turn regime (1/2) - Linear
Page 11 and 12: Midnight-turn yaw-rate estimates (1
Page 13 and 14: Midnight-turn yaw-rate estimates (2
Page 15 and 16: “Nominal” attitude model vs. ne
Page 17 and 18: Noon-turn regime - S/C cannot keep
Page 19 and 20: Noon-turn yaw-rate estimates - Yaw-
Page 21 and 22: Moon eclipse - Analysis of eight pa
Page 23: Conclusions - Block IIF satellites

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