| Research Groups | Principal
Investigator |
| Time keeping Lab. | DONG Shaowu |
| Quantum Frequency Standards Lab. | ZHANG Shougang |
| Time-keeping Theory and Method Dept. | GAO Yuping |
| Orbit and Time Transfer dept. | YANG Xuhai |
| Time and Frequency Measurement Dept. | LI Xiaohui |
| Time Transfer Method and Technology Dept. | HUA Yu |
| Time and Frequency Service System Dept. | HU Yonghui |
| Navigation and Communication Dept. | LU Xiaochun |
