一周波数受信のGPS測位に対する電離層伝搬遅延の影響
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概要
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The SPS (Standard Positioning Service) of the GPS (Global Positioning System) will be used single frequency reception only for civil uses. Then, some positioning error will be introduced by ionospheric propagation delay of L1 band radio wave from NAVSTAR satellites. Simple simulation calculations were carried on these positioning errors. The results of calculations show about 10 metre horizontal positioning error on 3D position fixes and about 20 metre error on 2D position fixes by using 3 satellites under the conditions of 50 nano-seconds vertical propagation delay that is assumed to total electron contents of afternoon of maximum sun activity years at mid-latitude areas. It was also calculated to the differential GPS. The result on differential mode was shown less than 1 metre horizontal error on the point of 100 kilometre from the reference station.
- 社団法人日本航海学会の論文
- 1987-03-25