Links

Geoids, Ellipsoids, Datums & Projections

• Natural Resources Canada - Geodesy
• Wikipedia - The Figure Of The Earth
• Brainjam - Interactive Ellipsoid
• GeoScience Australia - Datums and Coordinates
• APSG – A Cartographic Reference
• Encarta - Lines of Longitude and Latitude
• Atlas of Canada - Map Projections
• More about map projections
• Maps 101 - NTS, Scale, UTM etc.

The Datum Detective

• OGP Surveying And Positioning Committee
• ASPRS – Grids and Datums

Moving To NAD83

• Canada’s Spatial Reference System
• NAD27/NAD83 Transformations
• Software - Geographic Calculator
• Software - GeoWiz

Online Utilities

• Degrees/DMS Converter
• Geographic/ UTM Converter
• NRCAN – Convergence Calculator
  

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