[IGSMAIL-8424] Real-time phase OSB streams from Wuhan

[Jianghui Geng]

Dear colleagues,

We are pleased to announce that the real-time all-frequency code/phase OSB streams in the format of IGS SSR from Wuhan can now be accessed at the mountpoint “OSBC00WHU1” from the casters of the IGS “products.igs-ip.net” and Wuhan “58.49.94.212”.

These OSBs are computed by fixing the real-time satellite orbits and clocks from SSRC00WHU0. Our OSB streams contain the 5-s code/phase biases (Ref: CoM) estimated every 5 minutes for the GPS L1/L2/L5, Galileo E1/E5a/E5b/E5/E6, BDS-2 B1I/B2I/B3I and BDS-3 B1I/B1C/B2a/B2b/B3I signals, and thus can enable all-frequency PPP ambiguity resolution. Conservatively, over 80% of GPS, Galileo and BDS-3 ambiguities can be resolved at a typical GNSS station, which depends on the global GNSS data stream quality. More details can refer to the following articles.

This work is funded by National Science Foundation of China (No. 42025401) and under the auspices of IAG Sub-Commission 4.2 “Multi-constellation and multi-frequency GNSS” and the IGS PPP-AR & RT WGs.

References:
Geng J, Wen Q, Zhang Q, Li G, Zhang K (2022) GNSS observable-specific phase biases for all-frequency PPP ambiguity resolution. J. Geod. 96, 11. doi:10.1007/s00190-022-01602-3
Guo J, Geng J, Zeng J, Song X, Defraigne P (2024) GPS/Galileo/BDS phase bias stream from Wuhan IGS analysis center for real-time PPP ambiguity resolution. GPS Solut. doi:10.1007/s10291-023-01610-6

Best
Jianghui Geng on behalf of the PRIDE Group including Jiang Guo, Jing Zeng, Kunlun Zhang and Wenyi Li
Chair of the IGS PPP-AR Pilot Project

Professor in GNSS Geodesy
GNSS Research Center, Wuhan University
Email: jgeng at whu.edu.cn
Office: +86 (0)27 68778955
Homepage: http://pride.whu.edu.cn

Earn the right to be wrong

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