Present and Future Global Navigation Satellite Systems (GNSS)
GEO2TECDI_GPS_2.pdf
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GPS <strong>Satellite</strong> Ground Tracks<br />
90<br />
60<br />
30<br />
0<br />
−30<br />
−60<br />
−90<br />
−180 −150 −120 −90 −60 −30 0 30 60 90 120 150 180<br />
nearly circular orbits<br />
orbital period 11 h 58 m<br />
20,200 km altitude<br />
inclination 55 0<br />
6 orbital planes<br />
9<br />
GEO2TECDI – Bangkok, May, 2009 – <strong>GNSS</strong> Lecture 2
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