1. Li Z G, Li H X, Zhang H. The reduction of two-way satellite time comparison. Chin Astron Astrophys, 2003, 27: 226–235
2. Merck J P, Achkar J. Typical combined uncertainty evaluation on the Ku band TWSTFT link. In: Proceedings of the 19th European Frequency and Time forum (EFTF), 2005
3. Li Z G, Li H X, Zhang H. A method for processing multi-station data on two-way satellite time transfer with two-channel modems. Publ Shaanxi Astron Obs, 2002, 25(2): 81–89
4. Lewandowski W, Azoubib J, Klepczynski W J. Primary tool for time transter. Proc IEEE, 1999, 87(1): 163–172
5. Imae M. Development of new time transfer modem for TWSTFT. In: Proceedings of ATF 2000, 2000. 164–167