Workshop 2017

Hourly Updated Precise Orbit Products of Quad-constellation Satellites in IGS Analysis Center at Wuhan University

July 6, 2017 • 700 Views

Workshop 2017 - Qile Zhao - An ultra-rapid orbit service of high precision quad-constellation (BDS/GPS/Galileo/GLONASS) satellites with 1 hour update is designed and constructed in IGS Analysis Center at Wuhan University. The newly updated PANDA software, which has been expanded from post batch process of precision GNSS orbits determination to real-time epoch-wise process, is used in this service. In this case, the real-time orbits are updated in 1 hour with 30 min (10min for POD processing, 20min for collecting data) delay. The results show that this new strategy can improve the accuracy of quad-constellation satellites user available part in predicted orbits significantly.

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