GAMP: An open-source software of multi-GNSS precise point positioning using undifferenced and uncombined observations

Simultaneous estimation of GLONASS pseudorange inter-frequency biases in precise point positioning using undifferenced and uncombined observations

(2017) Feng Zhou et al.   GPS SOLUTIONS

Multi-GNSS precise point positioning (MGPPP) using raw observations

(2016) Teng Liu et al.   JOURNAL OF GEODESY

Global Ionospheric Modelling using Multi-GNSS: BeiDou, Galileo, GLONASS and GPS

(2016) Xiaodong Ren et al.   Scientific Reports

Precise point positioning with quad-constellations: GPS, BeiDou, GLONASS and Galileo

(2015) Changsheng Cai et al.   ADVANCES IN SPACE RESEARCH

Multi-GNSS precise point positioning with raw single-frequency and dual-frequency measurement models

(2015) Yidong Lou et al.   GPS SOLUTIONS

GLONASS fractional-cycle bias estimation across inhomogeneous receivers for PPP ambiguity resolution

(2015) Jianghui Geng et al.   JOURNAL OF GEODESY

Accuracy and reliability of multi-GNSS real-time precise positioning: GPS, GLONASS, BeiDou, and Galileo

(2015) Xingxing Li et al.   JOURNAL OF GEODESY

Retrieving of atmospheric parameters from multi-GNSS in real time: Validation with water vapor radiometer and numerical weather model

(2015) Xingxing Li et al.   JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES

An improved approach to model regional ionosphere and accelerate convergence for precise point positioning

(2013) Yibin Yao et al.   ADVANCES IN SPACE RESEARCH

Real-time clock jump compensation for precise point positioning

(2013) Fei Guo et al.   GPS SOLUTIONS

Integrating GPS and GLONASS to accelerate convergence and initialization times of precise point positioning

(2013) Pan Li et al.   GPS SOLUTIONS

The IGS VTEC maps: a reliable source of ionospheric information since 1998

(2009) M. Hernández-Pajares et al.   JOURNAL OF GEODESY