July 5, 2012 Staff Profile: Stephen Merkowitz, Project Manager 07/05/2012 Project manager Stephen Merkowitz talks about his work with NASA's Space Geodesy Project, including a brief overview of the four fundamental techniques of space geodesy: GPS, VLBI, SLR, and DORIS.Watch video Link https://earth.gsfc.nasa.gov/geo/networks/sgp/multimedia/staff-profile-stephen-m…