Presentation 1996/7/26
A Study of GDOP Improvement of the GPS Overlay by a Geosynchronous Satellite
Tetsuya KODAMA, Jun-ichi MORIUMA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Main mission objectives of the Engineering Test Satellite-N(ETS-N) scheduled to be launched around 2002 are experiments of the fundamental technology for S-band mobile communication, broadcasting system and on-orbit atomic clock. It is also planned GPS overlay experiment for the future positioning satellite system by Japan. GDOP improvement is studied for 3 cases of the longtitude of geosynchronous satellite. It resulted that in case of the visibility angle is 5 degree, there is no GDOP improvement. But in case of the visible angle is around l0 to 20 degree, there is some GDOP improvement. So it is expected that the GDOP improvement is effective in urban area.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) ETS-N / GPS overlay / GDOP / Positioning Accuracy
Paper # SANE96-41
Date of Issue

Conference Information
Committee SANE
Conference Date 1996/7/26(1days)
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Paper Information
Registration To Space, Aeronautical and Navigational Electronics (SANE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study of GDOP Improvement of the GPS Overlay by a Geosynchronous Satellite
Sub Title (in English)
Keyword(1) ETS-N
Keyword(2) GPS overlay
Keyword(3) GDOP
Keyword(4) Positioning Accuracy
1st Author's Name Tetsuya KODAMA
1st Author's Affiliation Engineering Test Satellite Group, Office of Satellite Systems, NASDA:Earth Observation Research Center at present()
2nd Author's Name Jun-ichi MORIUMA
2nd Author's Affiliation Office of Research and Development, Tsukuba Space Center, NASDA
Date 1996/7/26
Paper # SANE96-41
Volume (vol) vol.96
Number (no) 205
Page pp.pp.-
#Pages 8
Date of Issue