Trigonometric Parallaxes of Star-forming Regions beyond the Tangent Point of the Sagittarius Spiral Arm

Initial Analysis for Characterizing and Mitigating the Pseudorange Biases of Beidou Navigation Satellite System

Ancient Chinese records of moon/planet-occulting/approaching-star and its application to textual research of traditional star names

Design and implementation of NTP wireless time server based on Wi-Fi

Research for acquisition of Galileo E1 OS signals

Study of methods of maintaining consistency between primary and backup clock in time/frequency system

Result analysis of non-continuous two-way satellite time comparison

Effect of two-way nonreciprocal geometric path on TWSTFT

Study of laser frequency stabilization based on fiber-based Michelson interferometer

Performance analysis for ranging codes of satellite navigation system