Precise orbit and clock for GPS, GLONASS, Galileo, BeiDou and QZSS navigation satellites.
We provide GBU, a highly precise multi-GNSS ultra-rapid orbit and clock product including GPS, Galileo, GLONASS, BeiDou2&3, QZSS. The specifications are:
- 1-hour updates with 1-hour delay;
- 48-hour multi-GNSS sp3 file, the first 24 hours satellite orbits are based on observation data and the last 24 hours satellite orbits are predictions, which is flagged with “P” at the end of each line;
- Precise orbit & clock of a maneuvering satellite available at maximum 48 hours after the maneuver;
- Availability of the latest 1-hour orbit prediction is 99%, Availability of the latency no more than 24-hour orbit prediction is 99.999%.