Key Features of Geodetic Survey Control Station Database
There are about 5,500 Geodetic Survey Control Stations in Hong Kong. The coordinates of these stations can be widely adopted for positioning tasks. The Geodetic Survey Control Station Database is now served as Public Sector Information (PSI). Users can download the data in various formats from the following links.
| Geodetic Survey Control Station | Database Format | Control Stations Index # | ||
| Excel (XLS) | Extensible Markup Language (XML) | Keyhole Markup Language (KML) | Geography Markup Language (GML) | |
| Bench Mark | xls | xml | kml | gml |
| Traverse Station | xls | xml | kml | gml |
| Trig. Station | xls | xml | kml | gml |
Please refer to the Data Dictionary in connection with the downloaded data.
# Coordinates in the Control Stations Index (kml/gml files) are approximate and should be used for reference only. Please refer to the corresponding Database files for the surveyed coordinates.
Remark: You may use Search Geodetic Control Station Summary to download individual Station Summary in PDF format, or use the direct URL in the following format: "https://www.geodetic.gov.hk/summarysheet/[STN_NO].pdf" where [STN_NO] is the Geodetic Survey Control Station number.
The Geodetic Survey Control Station Summaries are free of charge. However, users have to read and abide by the corresponding terms stated in the Important Notices, and Privacy Policy before download and use.