Table 2 The accuracy of the TECR obtained from the pseudorange and carrier phase measurements of different GNSS systems.
From: Feasibility analysis of GNSS-based ionospheric observation on a fast-moving train platform (GIFT)
No | Frequency | \({f}_{1}\)(MHz) | \(\gamma\) | \(\delta\)(m) | \(\Delta t\)(s) | \({m}_{TECR}\) in TECU/sec |
|---|---|---|---|---|---|---|
1 | GPS L1, L2 | 1575.420 | 1.64694 | 0.3 | 0.05 | \(\pm 114.235\) |
2 | GLONASS L1, L2 | 1602.000 | 1.65306 | 0.3 | 0.05 | \(\pm 117.017\) |
3 | Galileo E1, E2 | 1575.420 | 1.79327 | 0.3 | 0.05 | \(\pm 93.164\) |
4 | BDS B1, B2 | 1561.098 | 1.67242 | 0.3 | 0.05 | \(\pm 107.919\) |
5 | GPS L1, L2 | 1575.420 | 1.64694 | 0.001 | 0.05 | \(\pm 0.381\) |
6 | GLONASS L1, L2 | 1602.000 | 1.65306 | 0.001 | 0.05 | \(\pm 0.390\) |
7 | Galileo E1, E2 | 1575.420 | 1.79327 | 0.001 | 0.05 | \(\pm 0.311\) |
8 | BDS B1, B2 | 1561.098 | 1.67242 | 0.001 | 0.05 | \(\pm 0.360\) |