Key Activities

National Geodetic Datum

In determining national coordinate reference system, NGII provides high quality information on geodetic surveying

Space Geodetic Control Point (geodetic VLBI: global joint observation)

Calculating positions by interpreting the time difference between the radio waves from quasars billions of light years away to radio telescopes (antennas) on Earth

- Antennas: 22meters in diameter
- Receivers: 2, 8, 22, 43 GHz
- Backend: Hydrogen clock, operation control, data processor and more

Activities: Performing IVS routine observation after becoming official member of IVS Council at its seventh meeting (March 2012) and performing joint observation with another country, as well as with Korean astronomy research institute KVN