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PRIDE PPP-AR ver. 2.1 originates in Dr. Maorong Ge’s efforts on PPP-AR and later developed and improved by Dr. Jianghui Geng's team including Songfeng Yang. It is an open-source software package which is based on many GNSS professionals’ collective work in GNSS Research Center, Wuhan University. We would like to thank them all for their brilliant contributions to this software.

No proprietary modules are used anymore in the software. We make this package open source with the goal of benefiting those professionals in their early career, and also advocate the geodetic and geophysical applications of PPP-AR. Especially, we hope that this package can contribute to high-precision applications in geosciences such as crustal motion and troposphere sounding studies. The entire open-source project is funded by National Science Foundation of China (No. 41674033 and 41861134009) and is under the auspices of IAG SC 4.4 “GNSS Integrity and Quality Control”.

The phase bias products can be accessed at ftp://igs.gnsswhu.cn/pub/whu/phasebias/. Latest updates for Support, Training courses and FAQ can be found at https://pride.whu.edu.cn. The copyright of this package is protected by GNU General Public License (version 3). Relevant publications are
Geng, J., Chen, X., Pan, Y. & Zhao, Q. (2019a). A modified phase clock/bias model to improve PPP ambiguity resolution at Wuhan University. Journal of Geodesy, 93(10), 2053-2067.
Geng, J., Chen, X., Pan, Y., Mao, S., Li, C., Zhou, J., Zhang, K. (2019b) PRIDE PPP‑AR: an open‑source software for GPS PPP ambiguity resolution. GPS Solutions 23:91 doi:10.1007/s10291-019-0888-1.

PRIDE PPP-AR ver. 2.1 are available for:
1) GPS, GLONASS, Galileo, BDS-2/3 and QZSS capable;
2) High-rate GNSS data processing of up to 50 Hz;
3) Vienna Mapping Function 1/3 (VMF3) for troposphere modeling;
4) Second-order ionospheric correction;
5) High-dynamic mobile platforms applicable for aerial photogrammetry, ship-borne gravimetry, etc;
6) Receiver clock jump mitigation;
7) Multi-day processing;
8) Satellite attitude quaternions;
9) A Windows lite-version provided for very early career researchers;
10) PPP using data dating back to 1994 when SA was on;
11) GPS/Galileo/BDS-2/3 PPP-AR in the case of the bias-SINEX format phase biases (ftp://igs.gnsswhu.cn).

Notes: The multi-GNSS multi-GNSS satellite orbit/clock/bias/quaternion products, which are computed and released by Wuhan University, are required by PRIDE PPP-AR ver. 2.1.

• You can contact us for bug reports and comments by sending an email or leaving a message on our website:
  • Email: [email protected]
  • Website: http://pride.whu.edu.cn
• For Chinese users, we provide Tencent QQ Group service.
  • QQ group: 971523302

Copyright (C) 2021 by Wuhan University, All rights reserved.