Paul Prikryl¹, James M Weygand², Reza Ghoddousi-Fard³, P. T. Jayachandran⁴, David Themens⁵ and Anthony Mark McCaffrey⁵, (1)University of New Brunswick, Physics Department, Fredericton, NB, Canada, (2)IGPP/UCLA---ESS, Los Angeles, CA, United States, (3)NRCan, Canadian Geodetic Survey, Ottawa, ON, Canada, (4)University of New Brunswick, Physics Department, Fredericton, Canada, (5)University of New Brunswick, Fredericton, NB, Canada