Table 1 Orbits quality validation of BDS satellites C01 (GEO), C08 (IGSO), and C10 (IGSO) using SLR observations, showing the offsets, STD for the original BDS broadcast ephemeris and refined broadcast ephemeris
From: Improving BDS broadcast ephemeris accuracy using ground-satellite-link observations
Satellite names | # NPT | Original ephemeris (cm) | Refined ephemeris (cm) | STD Improving rate (%) |
|---|---|---|---|---|
C01 | 182 | − 51.1 ± 35.4 | − 88.8 ± 29.6 | 16 |
C08 | 148 | − 35.7 ± 45.8 | − 11.8 ± 33.4 | 27 |
C10 | 140 | − 64.2 ± 38.7 | − 26.6 ± 24.4 | 37 |