EPSG:4608 NAD27(76)
Geographic system in latitude and longitude, in use: Canada - Ontario. Datum, ellipsoid and transformation to WGS 84 below.
EPSG publishes no simple transformation to WGS 84 for this datum: conversion works on the ellipsoid alone and can be off by tens of metres.
| Code | EPSG:4608 |
|---|---|
| Name | NAD27(76) |
| Type | Geographic system |
| Area of use | Canada - Ontario |
| Bounds | W -95,16° · S 41,67° · E -74,35° · N 56,90° |
| Countries | Canada |
| Datum | North American Datum 1927 (1976) |
| Ellipsoid | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=clrk66 +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:4608.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_NAD_1927_Definition_1976",DATUM["D_NAD_1927_Definition_1976",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — Canada
- EPSG:3776NAD83 / Alberta 3TM ref merid 114 W
- EPSG:3777NAD83 / Alberta 3TM ref merid 117 W
- EPSG:3779NAD83(CSRS) / Alberta 3TM ref merid 111 W
- EPSG:3780NAD83(CSRS) / Alberta 3TM ref merid 114 W
- EPSG:3781NAD83(CSRS) / Alberta 3TM ref merid 117 W
- EPSG:3797NAD27 / MTQ Lambert
- EPSG:3798NAD83 / MTQ Lambert
- EPSG:3799NAD83(CSRS) / MTQ Lambert
- EPSG:3800NAD27 / Alberta 3TM ref merid 120 W
- EPSG:3801NAD83 / Alberta 3TM ref merid 120 W
- EPSG:3802NAD83(CSRS) / Alberta 3TM ref merid 120 W
- EPSG:3978NAD83 / Canada Atlas Lambert
- EPSG:3979NAD83(CSRS) / Canada Atlas Lambert
- EPSG:4122ATS77
- EPSG:4609NAD27(CGQ77)
- EPSG:4617NAD83(CSRS)
- EPSG:5320NAD83 / Teranet Ontario Lambert
- EPSG:5321NAD83(CSRS) / Teranet Ontario Lambert
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.