TY - RPRT TI - A Novel Sensor for Attitude Determination Using Global Positioning System Signals AU - Crassidis, John L. AU - Quinn, David A. AU - Markley, F. Landis AU - McCullough, Jon D. PY - 1998 UR - https://ntrs.nasa.gov/citations/19980237566 ID - 19980237566 ER -