Catherine Margaret Isabelle Robin¹, Michael Craymer¹, Remi Ferland², Earl Lapelle³, Mike Piraszewski³, Yanlai Zhao³ and Michael Bremner⁴, (1)Natural Resources Canada, Ottawa, ON, Canada, (2)Natural Resources Canada, Canadian Geodetic Survey, Ottawa, ON, Canada, (3)Canadian Geodetic Survey, Natural Resources Canada, Ottawa, ON, Canada, (4)Natural Resources Canada, Canadian Geodetic Survey, Ottawa, Canada