Geodetic Survey Division

NRCan's Geodetic Survey Division is responsible for maintaining the Canadian Spatial Reference System (CSRS) which provides fundamental reference values for latitude, longitude, height and gravity, including earth's orientation parameters and rotation rate in space, as the foundation for the nation's evolving positioning and navigation activities.

For more information please contact:

Canadian Geodetic Service
615 Booth Street
Room 440
Ottawa, Ontario
Canada
K1A 0E9
Phone:  1-613-995-4410 (Monday - Friday, 07:00 - 16:00 EST)
Fax:  1-613-995-3215
Email:  information@geod.nrcan.gc.ca