Lecture 3: Total Station and GPS Surveys

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GPS Surveys • Global Positioning System • Constellation of 24 satellites orbiting at 50,000 km altitude • At a given point on the earth at least 4 satellites can be tracked by receiver simultaneously • 3 satellites plus the earth define a range of possible positions; the 4 th satellite timing is used to arrive at a consistent position
Earth- GPS Satellite Geometry Earth
Page 1 and 2: Applied Geomorphology Lecture 4: To
Page 3 and 4: Total Station Advantages over the A
Page 5 and 6: Total Station Surveys • The initi
Page 7: Integrating Transit & T.S. Surveys
Page 11 and 12: GPS Error Sources • SA: selective
Page 13 and 14: Typical GPS Accuracy • Low-end au
Page 15 and 16: GPS Accuracy & Precision • Precis
Page 17 and 18: Accuracy & Precision cont.
Page 19: Lecture Test 1 Review • Take home

Lecture 3: Total Station and GPS Surveys

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