EPSG:4725 Johnston Island 1961
Geographic system in latitude and longitude, in use: Johnston Island. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4725 |
|---|---|
| Name | Johnston Island 1961 |
| Type | Geographic system |
| Area of use |
Johnston Island United States Minor Outlying Islands - Johnston Island. |
| Bounds | W -169,59° · S 16,67° · E -169,47° · N 16,79° |
| Countries | U.S. Outlying Islands |
| Datum | Johnston Island 1961 |
| Ellipsoid | International 1924 a = 6378388 m · 1/f = 297 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | Johnston Island 1961 to WGS 84 (1) (EPSG:15809) — accuracy 44 m |
| Scope | Military survey. |
proj4 definition
+proj=longlat +ellps=intl +towgs84=189,-79,-202 +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:4725.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Johnston_Island_1961",DATUM["D_Johnston_Island_1961",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — U.S. Outlying Islands
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.