EPSG:4611 Hong Kong 1980
Geographic system in latitude and longitude, in use: China - Hong Kong. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4611 |
|---|---|
| Name | Hong Kong 1980 |
| Type | Geographic system |
| Area of use |
China - Hong Kong China - Hong Kong - onshore and offshore. |
| Bounds | W 113,76° · S 22,13° · E 114,51° · N 22,58° |
| Countries | China |
| Datum | Hong Kong 1980 |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | Hong Kong 1980 to WGS 84 (1) (EPSG:1825) — accuracy 1 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=intl +towgs84=-162.619,-276.959,-161.764,0.067753,-2.243648,-1.158828,-1.094246 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4611.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Hong_Kong_1980",DATUM["D_Hong_Kong_1980",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — China
- EPSG:4573New Beijing / Gauss-Kruger zone 18
- EPSG:4574New Beijing / Gauss-Kruger zone 19
- EPSG:4575New Beijing / Gauss-Kruger zone 20
- EPSG:4576New Beijing / Gauss-Kruger zone 21
- EPSG:4577New Beijing / Gauss-Kruger zone 22
- EPSG:4578New Beijing / Gauss-Kruger zone 23
- EPSG:4579New Beijing / Gauss-Kruger CM 75E
- EPSG:4580New Beijing / Gauss-Kruger CM 81E
- EPSG:4581New Beijing / Gauss-Kruger CM 87E
- EPSG:4582New Beijing / Gauss-Kruger CM 93E
- EPSG:4583New Beijing / Gauss-Kruger CM 99E
- EPSG:4584New Beijing / Gauss-Kruger CM 105E
- EPSG:4585New Beijing / Gauss-Kruger CM 111E
- EPSG:4586New Beijing / Gauss-Kruger CM 117E
- EPSG:4587New Beijing / Gauss-Kruger CM 123E
- EPSG:4588New Beijing / Gauss-Kruger CM 129E
- EPSG:4589New Beijing / Gauss-Kruger CM 135E
- EPSG:4610Xian 1980
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.