Survey Instrument Calibration Baselines and Sites

Lands Department has established different calibration baselines and sites for Electromagnetic Distance Measurement (EDM) equipment, Global Navigation Satellite System (GNSS) equipment and steel bands in order to maintain the measurement standards of the survey equipment.

EDM Calibration Baseline at Plover Cove

GNSS Equipment Calibration Site at Tai Mo Shan

Please visit https://www.geodetic.gov.hk/en/gi/baseline_booking.htm for downloading calibration baseline and site summary or booking form.