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Sub-Commission 1.3 - Regional Reference Frames
Regional Sub-Commission 1.3c - North America

Terms of Reference


The purpose of this regional sub-commission is to provide international focus and cooperation for issues involving the horizontal, vertical, and three-dimensional geodetic control networks of North America, including Central America, the Caribbean and Greenland (Denmark). Some of these issues include:


The membership of this regional sub-commission shall consist of:

The regional sub-commission will create working groups (WG) as necessary to address specific issues. The terms of reference and Chairperson of each WG will be established by the regional sub-commission. The Chairperson of each WG will recruit further members as required.


Michael Craymer (CGS/NRCan, Canada) -- Co-Chair
Dan Roman (NGS/NOAA, USA) -- Co-Chair
Finn Bo Madsen (DTU, Denmark)

Working Groups

Last revised: 2021-03-03
Web Site Contact: Michael Craymer