The Unofficial Home Page of

Canadian Geodetic Networks

Michael Craymer, Ph.D.
Coordinator, Reference Frames & Earth Dynamics
Canadian Geodetic Survey, Natural Resources Canada
588 Booth Street, Ottawa, Ontario K1A 0Y7, Canada

Tel. 613-791-0157, Fax. 613-995-3215

Last revised 2015-10-24


  1. International Terrestrial Reference Frame (ITRF)
  2. World Geodetic System 1984 (WGS84)
  3. North American Reference Frame (NAREF)
  4. NAD83(CSRS)
  5. GNSS Reference Frames
  6. Transformations
  7. Canadian Active Control System
  8. Canadian Base Network
  9. Adjustments & Analysis
  10. Geodetic Software
  11. Monumentation
  12. Other Links
  13. Disclaimer

International Terrestrial Reference Frame (ITRF)

World Geodetic System 1984 (WGS84)

North American Reference Frame (NAREF)

IAG Sub-Commission 1.3a: Regional Reference Frames - North America

Other Regional Reference Frames


GNSS Reference Frames

Compiled by International Committee on Global Navigation Satellite Systems (ICG), UN Office of Outer Space Affairs



Canadian Active Control System

Canadian Base Network

Adjustments & Analysis

Geodetic Software


Other Links


These web pages are the sole responsibility of Michael Craymer. They are not an official product of the Canadian Geodetic Survey or the Government of Canada. Michael Craymer makes no guarantees, representations or warranties respecting the contents of these Web pages, either expressed or implied, arising by law or otherwise, including but not limited to, effectiveness, completeness, accuracy and fitness for a particular purpose. Michael Craymer shall not be liable in respect of any claim, demand or action, irrespective of the nature of the cause of the claim, demand or action alleging any loss, injury or damages, direct or indirect, which result from the use of these Web pages. Any mention of commercial products does not imply an endorsement of those products.

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