- Research objectives:
- Revise existing local tie procedures.
- Investigate existing tie vector estimation processes.
- Develop and define new methods.
- Direct research towards the investigation of technique specific systematic effects.
- Coordination objectives:
- Liaise with IERS combination centres.
- Liaise with IAG technique service.
- Remotely support local tie operations and tie vector estimation.
- Spread the know-how.
- Set guidelines.