GPS単独測位による電子基準点位置について
(On the Positions of GPS Stations Determined by Point Positioning)

☆静止衛星の軌道解析
軌道決定後の観測距離と計算距離の残差に
振幅約1m、周期約12時間の周期変動が存在
Post-fit Range Resid.
Figure 1: An example of 12-hour period fluctuations
in post-fit range residuals
in orbital analtsis of geosynchronous satellites.