Group A of ICG held GNSS interoperability workshop in Nanjing, China on May 23, and more than 60 representatives from China, U.S, Russia and other countries and districts as well as the related international organizations participated in the session. The vice director and researcher, Lu Xiaochun of National Time Service Center and the senior consultant, Jeff Auerbach of Space and Advanced Technology Office of US State Department served as the co-chairmen of the session.

So far, this interoperability workshop is the one with most participants and with most wide technology fields covered. The session is divided into special report and work conference of the interoperability task group. During the special report, the researcher Yang Xuhai and vice researcher, Zhang Huijun of National Time Service Center gave reports entitled as Calculation of Beidou Super Fast Orbit and Real-time Star Clock based on iGMAS Tracking Network and Analysis of Monitoring and Prediction Results of GNSS System Time Deviation.

At the work conference of the interoperability task group, as the co-chairman of the task group, Lu Xiaochun discussed the future work plan with the members of the task group together.