TY - CONF AU - Marc Weiss AU - Victor Zhang AU - L Nelson AU - V Hanns AU - M Regalado C2 - 1997 IEEE Int. Freq. Cont. Symp. , Orlando, FL DA - 1997-01-01 LA - en PB - 1997 IEEE Int. Freq. Cont. Symp. , Orlando, FL PY - 1997 TI - Delay Variations in GPS Timing Receivers at NIST ER -