Affiliation: | (1) Department of Geodesy and Geomatics Engineering, University of New Brunswick, P.O. Box 4400, Fredericton, New Brunswick, E3B 5A3 Canada, e-mail: vanicek@unb.ca, CA;(2) Geodetic Survey Division, Natural Resources Canada, 615 Booth Street, Ottawa, Ontario, K1A 0E9 Canada e-mail: craymer@nrcan.gc.ca; Tel.: +1 613 947 1829; Fax: +1 613 992 6628, CA;(3) Department of Geomatics Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4 Canada e-mail: ejk@inteldb.com, CA |