Slide 1Session 4 Global Positioning System (GPS) Slide 2 Feasibility studies began in the 1960’s. Pentagon appropriated funding in 1973. First satellite launched…
Slide 1Introduction to Mapping Science: Lecture #3 (Modeling the Earth in GIS) Models of the Earth The earth can be modeled as a –sphere, –oblate ellipsoid –geoid Slide…
Slide 1 Module 9 Working with XY Data Slide 2 Overview Geographic Datums Working with Coordinates in ArcMap Go To XY Transformations “On the Fly” Add XY Data Slide 3…
Slide 1 MGA Concepts and Grid Calculations Geodetic Surveying B Slide 2 Objectives zApply fundamental knowledge of MGA to grid calculations zCalculate and apply grid convergence.…