Chen, M., H. Yuan, J. Ma, Z. Li, W. Guang, J. Zhang, and H. Zhang. “Performance Evaluation of Near Real-Time GNSS PPP Time Transfer With IGS Products”. International Journal of Electrical and Computer Engineering Research, vol. 2, no. 3, Sept. 2022, pp. 1-7, doi:10.53375/ijecer.2022.265.