EPSG:5472 Panama-Colon 1911 / Panama Polyconic
Projected system (American Polyconic) in use: Panama - onshore. The full definition below, and conversion in one click.
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:5472 |
|---|---|
| Name | Panama-Colon 1911 / Panama Polyconic |
| Type | Projected system — American Polyconic |
| Area of use | Panama - onshore |
| Bounds | W -83,04° · S 7,15° · E -77,19° · N 9,68° |
| Countries | Panama |
| Datum | Panama-Colon 1911 |
| Ellipsoid | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Base geographic system | EPSG:5467 — Panama-Colon 1911 |
| Unit | Clarke's yard (E east, N north) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 8.25 | degree |
| Longitude of natural origin | -81 | degree |
| False easting | 1000000 | Clarke's yard |
| False northing | 1092972.1 | Clarke's yard |
proj4 definition
+proj=poly +lat_0=8.25 +lon_0=-81 +x_0=914391.7962 +y_0=999404.721715486 +ellps=clrk66 +to_meter=0.9143917962 +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:5472.
WKT (ESRI format, the .prj content)
PROJCS["Panama-Colon_1911_Panama_Polyconic",GEOGCS["GCS_Panama-Colon_1911",DATUM["D_Panama-Colon-1911",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Polyconic"],PARAMETER["False_Easting",1000000.0],PARAMETER["False_Northing",1092972.1],PARAMETER["Central_Meridian",-81.0],PARAMETER["Latitude_Of_Origin",8.25],UNIT["Clarke's yard",0.9143917962]]Other systems — Panama
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.