TY - CONF AU - Lewandowski, W AU - Petit, Gerard AU - Thomas, C AU - Weiss, Marc C2 - 22^und^ Annual Precise Time and Time Interval Meeting , Tysons Corner, VA, USA DA - 1991-01-01 00:01:00 LA - en PB - 22^und^ Annual Precise Time and Time Interval Meeting , Tysons Corner, VA, USA PY - 1991 TI - The Use of Precise Ephemerides, Ionospheric Data and Corrected Antenna Coordinates in a Long-Distance GPS Time Transfer, ER -