@conference{799761, author = {W Lewandowski and Gerard Petit and C Thomas and Marc Weiss}, title = {The Use of Precise Ephemerides, Ionospheric Data and Corrected Antenna Coordinates in a Long-Distance GPS Time Transfer,}, year = {1991}, month = {1991-01-01 00:01:00}, publisher = {22^und^ Annual Precise Time and Time Interval Meeting , Tysons Corner, VA, USA}, language = {en}, }