Kongsberg Seatex

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Visible GNSS Satellites at Different Latitudes • HDOP and number of visible satellites improves at high latitudes 30°N • PDOP peaks at high latitudes because of fewer high elevation satellites and causes some degradation of vertical accuracy 55°N Conclusion: Satellite coverage in Arctic is good especially with a combined satellite constellation 75°N Plots generated by use of GeoSky II (Fugro) / 16 / 20-Nov-12
Availability of Signals from Geo Satellites • Used for communication and distribution of differential signals • Some additional margin needed due to • roll movement • obstructions in a southern direction • Signal disturbance caused by high solar activity Conclusion: Signals from Geo satellites will be less available in Arctic regions Limited visibility of Geo satellites / 17 / 20-Nov-12
Page 1 and 2: Arctic satellite navigation - lesso
Page 3 and 4: INTRODUCTION / 3 / 20-Nov-12
Page 5 and 6: Kongsberg Seatex - Business Areas D
Page 7 and 8: Routes of the Viking Explorers Viki
Page 9 and 10: AISSat-1 observations, 12 July, 201
Page 11 and 12: Temperatures in the Arctic °C °F
Page 13 and 14: SATELLITE COVERAGE / 13 / 20-Nov-12
Page 15: GPS Satellite Trajectories at Diffe
Page 19 and 20: A Pioneer, Prof. Kristian Birkeland
Page 21 and 22: Different Scales of Ionospheric Eff
Page 23 and 24: The Effect of Cycle 24? • Degrade
Page 25 and 26: GNSS Correction Main Categories •
Page 27 and 28: Local DGPS Services in the Arctic
Page 29 and 30: The SBAS Ionospheric Model • Calc
Page 31 and 32: Global Orbit/Clock • Orbit/clock
Page 33 and 34: Ionospheric Scintillations OBSERVAT
Page 35 and 36: Loosing Lock on GPS L2, Tromsø Los
Page 37 and 38: 37 / 20-Nov-12 Iono Effect on GPS O
Page 39 and 40: NEW OPPORTUNITIES / 39 / 20-Nov-12
Page 41 and 42: Galileo Galileo / 41 / 20-Nov-12
Page 43 and 44: 43 / 20-Nov-12 WORLD CLASS - throug
Page 45 and 46: 45 / 20-Nov-12 Challenging Offshore
Page 47 and 48: MARPOT • Project owner: Kongsberg
Page 49 and 50: Test equipment • SIMOPS with new
Page 51 and 52: CONCLUSION / 51 / 20-Nov-12

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