TY - CONF AU - Yao, Jian AU - Levine, Judah C2 - IEEE International Frequency Control Symposium (IFCS), New Orleans, LA DA - 2016-05-09 LA - en PB - IEEE International Frequency Control Symposium (IFCS), New Orleans, LA PY - 2016 TI - Long-Term GPS Carrier-Phase Time Transfer Noise: A Study based on Seven GPS Receivers at NIST ER -