Working Group Charters and Membership
- International Committee on GNSS (ICG) International GNSS Monitoring and Assessment (IGMA) Task Force and International GNSS Service (IGS) Joint GNSS Monitoring Working Group
- Antenna Working Group Charter and Members
- Bias and Calibration Working Group Charter and Members
- Clock Products Working Group Charter and Members
- Data Center Charter and Membership
- Ionosphere Working Group Charter and Membership
- Multi-GNSS Working Group Charter and Members
- Real-time Working Group Charter and Members
- Reference Frame Working Group Charter and Members
- RINEX Working Group Charter and Members
- Satellite Vehicle Orbit Dynamics Working Group Charter and Members
- Tide Gauge Benchmark Monitoring Working Group (TIGA) Charter and Members
- Troposphere Working Group Charter and Members
- GLONASS Pilot Project Charter and Members (FORMER 2000-2005)
- Low Earth Orbiters Working Group (Former 2001-2010)