Fig. 2From: Impact of China’s high speed train window glass on GNSS signals and positioning performanceAvailability of pseudorange observations for GPS C2W, GLONASS C1C, Galileo C1X, and BDS C2I for each GNSS satellite tracked by receiver 1 (left column, without HST window glass) and receiver 2 (right column, with HST window glass) deployed on a building rooftop on the campus of Southwest Jiaotong University, Chengdu, China, 9 March 2019Back to article page