TY - RPRT TI - A Long-Term Comparison Between GPS Carrier-Phase and Two-way Satellite Time Transfer AU - Larson, Kristine AU - Nelson, Lisa AU - Levine, Judah AU - Parker, Tom AU - Powers, Edward D. PY - 1999 UR - https://ntrs.nasa.gov/citations/20050050977 ID - 20050050977 ER -