Files for GNSS precise point positioning (PPP) with ambiguity resolution

GNSS PPP with ambiguity resolution

• Support ionospheric-free combinations and uncombined/raw models
• Support multiple carrier frequency signals
• Support multiple GNSS systems
• Support real-time applications

GPS/Galileo/BDS ionospheric-free PPP with ambiguity resolution

• phase bias product
• open source software (Under internal testing and will be availablle at this repository)

please cite the references if you find it is useful

• Xiao G, Li P, Gao Y, Heck B (2019a) A Unified Model for Multi-Frequency PPP Ambiguity Resolution and Test Results with Galileo and BeiDou Triple-Frequency Observations. Remote Sensing 11:116. https://doi.org/10.3390/rs11020116
• Xiao G, Li P, Sui L, et al (2019b) Estimating and assessing Galileo satellite fractional cycle bias for PPP ambiguity resolution. GPS Solutions 23:. https://doi.org/10.1007/s10291-018-0793-z
• Xiao G, Sui L, Heck B, et al (2018) Estimating satellite phase fractional cycle biases based on Kalman filter. GPS Solutions 22:. https://doi.org/10.1007/s10291-018-0749-3

• For Galileo/BDS PPP AR, please use the antenna file at directory ‘atx’.