Present and Future Global Navigation Satellite Systems (GNSS)

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GPS: Present Status Signals: – Two frequencies (L1 and L2) – C/A-code on L1 – P-code (encrypted) on L1 and L2 Satellite constellation: – 24 nominal satellites (28 operational) – Block II/IIA/IIR satellites (until 2014) – Orbital period 11 hour 58 min – 6 orbital planes, 55 o inclination – 20,200 km altitude 6 GEO2TECDI – Bangkok, May, 2009 – GNSS Lecture 2
NAVSTAR GPS Block II Satellite solar panels antenna for ground control array of 12 helix antennas 7 GEO2TECDI – Bangkok, May, 2009 – GNSS Lecture 2
Page 1 and 2: Present and Future Global Navigatio
Page 3 and 4: Principle of Satellite navigation S
Page 5: Global Navigation Satellite Systems
Page 9 and 10: GPS Satellite Ground Tracks 90 60 3
Page 11 and 12: 80 60 40 20 0 270 −20 −40 −60
Page 13 and 14: GPS Signal Components • All signa
Page 15 and 16: Examples of GPS Receivers PC card m
Page 17 and 18: RINEX: Receiver INdependent EXchang
Page 19 and 20: Selective Availability (SA) - 1990-
Page 21 and 22: GPS Services SPS/SA: SPS PPS Standa
Page 23 and 24: GPS PRN 23 Anomaly, 1 Jan, 2004 500
Page 25 and 26: Modernized Signal Evolution Present
Page 27 and 28: GEO2TECDI - Bangkok, May, 2009 - GN
Page 29 and 30: Introduction to Glonass GLONASS Rus
Page 31 and 32: GEO2TECDI - Bangkok, May, 2009 - GN
Page 33 and 34: GLONASS signal structure (2) Differ
Page 35 and 36: The 4 GALILEO arguments - European
Page 37 and 38: Galileo added value • Under contr
Page 39 and 40: GALILEO In Flight Configuration Nav
Page 41 and 42: GPS versus Galileo GPS Satellites:
Page 43 and 44: COMPASS 43 GEO2TECDI - Bangkok, May
Page 45: QZSS 45 GEO2TECDI - Bangkok, May, 2

Present and Future Global Navigation Satellite Systems (GNSS)

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