GNSSの衛星観測と高精度測位の現状 - jacic.or.jp

1 115 5 Part 1 1234 1 1993 GPS GPS GLONASS EU Galileo BeiDou QZSS GNSS Global Navigation Satellite System GNSS GNSS GNSS GNSS 2 GNSS GNSS GPS GLONASS Galileo BeiDou QZSS Trimble NetR9 7 35 43 140 3 2016 6 27 9 6 28 9 24 1 RTKLIB 1 1 A B A B 1 RTKLIB URL GNSS Part 1 SADA Tatsunori 1 GNSS 115 6 Part 12 1 24 A 24 2 N S E W 15 0 90 2 L1 L2 2 L1 L5 3 L1 L2 L5 2 2 a GPS 31 2 L1 L2 L5

2 B GLONASS 24 GPS GPS 55 GLONASS 63 c Galileo 8 GPS d QZSS 1 24 e BeiDou 13 MEO 5 GEO 3 IGSO 5 f 2 24 2016 6 27 9 28 9 35 43 140 3 RTKLIB 115 7 Part 1 1234 77 2 2 3 2016 6 28 0 2 L1 L2 2 L1 L5 3 L1 L2 L5 3 a GPS 9 b GLONASS 8 c Galileo 4 3 d QZSS 1 e BeiDou 8 3 C01 C03 C04 f 3 2016 6 28 0 35 43 140 3 RTKLIB 115 8 Part 1 3 GPS GLONASS BeiDou A B 24 RTKLIB A B 1 15

3 GPS QZSS 3 1 GPS 4 GPS IX X Y H Y 3 4 X Y 1cm H 2cm 3 2 GPS QZSS 5 GPS QZSS GPS 3 3 GLONASSGLONASS 6 GPS H 1 H 3 H 3 4 BeiDouBeiDou 7 GPS GPS H GPS 4 GPS B 24 2016 6 27 9 28 9 1 RTKLIB 5 GPS QZSS B 24 2016 6 27 9 28 9 1 RTKLIB 6 GLONASS B 24 2016 6 27 9 28 9 1 RTKLIB 115 9 Part 1 1234 1 4 GNSS GPS GLONASS Galileo BeiDou QZSS 7 BeiDou B 24 2016 6 27 9 28 9 1 RTKLIB GPSQZSS+GPSGLONASSBeiDouX m m m m m m m m m m m m 1 B Galileo 30 BeiDou 35

4 QZSS 2018 4 2023 7 IRNSS 100 1990 GPS 7 4 1 2 ICT 1 BeiDou GPS 60 2016 3 GLONASS BeiDou 60 2016 115 10 Part 1 1 GNSS GEONET 20 GNSS 20 GNSS GNSS GNSS GNSS 2 GNSS 1 1 GNSS

5 23 2011 GNSS 1m 28 2016 GNSS 1 1996 4 2016 11 88 2 GNSS Part 1 NISHIMURA Takuya 115 11 Part 1 12342016 10 21 M GEONET GNSS 8km 10km 90cm GNSS GNSS 2 GNSS 2016 10 21 1 1 2015 10 2016 10 GEONET 115 12 Part 1 GNSS GNSS 1 1 4 M7 8 GNSS

6 GNSS 20 1 GNSS 3 GNSS GNSS GNSS 2016 10 21 6 GNSS 7cm GNSS GNSS 2011 GNSS GNSS 115 13 Part 1 1234 GNSS

7 GNSS GNSS 2016 11 28 GNSS 25 GNSS GNSS GNSS 136 2016 10 4 3 8 GNSS GNSS GNSS 20 GNSS GNSS GNSS 4 GEONET 20 GNSS REGARD 1 Kawamoto et al.

8 , 2016 GNSS GNSS 20 GNSS 20 120 GNSS 100 Kawamoto, S. et al. First result from the GEONET real-time analysis system REGARD : the case of the 2016 Kumamoto earthquakes. Earth, Planets and Space, 68, 190, 2016 12