Chen, Mengshi, Haibo Yuan, Jiahui Ma, Zongyuan Li, Wei Guang, Jihai Zhang, and Hong Zhang. “Performance Evaluation of Near Real-Time GNSS PPP Time Transfer With IGS Products”. International Journal of Electrical and Computer Engineering Research 2, no. 3 (September 15, 2022): 1–7. Accessed October 12, 2025. https://www.ijecer.org/ijecer/article/view/265.