[IGSMAIL-8527] Reprocessed WUM all-frequency OSB products for 2020-2022

[Jianghui Geng]

Dear colleagues,

In the late 2023, Wuhan IGS analysis center started providing daily rapid all-frequency code/phase OSB products with day-boundary discontinuities quantified as “DOCB”. Due to its importance to geophysical analysis, we reprocessed all-frequency GPS/Galileo/BDS data for the years of 2020-2022 using the latest models and PANDA software. We have uploaded them to ftp://igs.gnsswhu.cn/pub/whu/phasebias. The latest PRIDE PPP-AR ver. 3.0.5 (https://github.com/PrideLab/PRIDE-PPPAR) has been adapted to accommodate the reprocessed products.

Here are some important reminders,
1)	To avoid compatibility problems with PRIDE PPP-AR v3.0.5, we removed those legacy products from Wuhan FTP which are “WUM0MGXRAP_YYYYDDD0000_01D_01M_ORB.SP3”, and “WUM0MGXRAP_YYYYDDD0000_01D_01D_ABS.BIA”.

2)	We tried our best to make sure code OSBs on all channels and phase OSBs on all frequencies are of high quality. However, there exist some problematic satellites and frequencies for earlier days in 2020 (e.g., insufficient observables, signal degradation, etc.). This will compromise day-boundary discontinuity mitigation.

Best,
Jianghui Geng on behalf of the PRIDE Group
Professor in GNSS Geodesy
Chinese Academy of Sciences, Wuhan, China
Email: jgeng at apm.ac.cn
Office: +86 (0)27 68881316
Homepage: http://pride.whu.edu.cn

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