GNSS and Control Survey

 The main purpose for GNSS and Control survey is to make the reference/base points for survey work

and/or construction work.

- Global Navigation Satellite System is to define coordinates on global by using signal from satellite

such as GPS, Glonass, Galileo, Baidu and others.

- Control Point Survey both horizontal and vertical control points by Total Station and Leveling

(Traverse and Leveling)