From: Feasibility analysis of GNSS-based ionospheric observation on a fast-moving train platform (GIFT)
Items | Accuracy from GPS in TECU/sec | Accuracy from GLONASS in TECU/sec | Accuracy from Galileo in TECU/sec | Accuracy from BDS in TECU/sec | ||||
---|---|---|---|---|---|---|---|---|
Mean | STD | Mean | STD | Mean | STD | Mean | STD | |
Static station | 0.000 | 0.123 | − 0.001 | 0.123 | 0.001 | 0.102 | 0.000 | 0.114 |
MTRS1703 | − 0.001 | 0.145 | − 0.005 | 0.159 | − 0.003 | 0.118 | 0.003 | 0.129 |
MTRS1704 | 0.002 | 0.149 | 0.003 | 0.140 | 0.001 | 0.126 | 0.004 | 0.135 |
MTRS1706 | − 0.007 | 0.146 | − 0.000 | 0.130 | − 0.005 | 0.120 | − 0.000 | 0.123 |
MTRS1707 | − 0.001 | 0.130 | − 0.001 | 0.128 | − 0.006 | 0.183 | 0.002 | 0.124 |
MTRS1708 | 0.007 | 0.194 | 0.004 | 0.138 | − 0.014 | 0.168 | 0.001 | 0.125 |
MTRS1709 | 0.001 | 0.149 | 0.002 | 0.141 | 0.009 | 0.127 | – | – |
Overall | 0.000 | 0.152 | 0.000 | 0.139 | − 0.003 | 0.140 | 0.002 | 0.127 |