EPSG:3798 NAD83 / MTQ Lambert
Projected system (Lambert Conic Conformal (2SP)) in use: Canada - Quebec. The full definition below, and conversion in one click.
| Code | EPSG:3798 |
|---|---|
| Name | NAD83 / MTQ Lambert |
| Type | Projected system — Lambert Conic Conformal (2SP) |
| Area of use | Canada - Quebec |
| Bounds | W -79,85° · S 44,99° · E -57,10° · N 62,62° |
| Countries | Canada |
| Datum | North American Datum 1983 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4269 — NAD83 |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83 to WGS 84 (1) (EPSG:1188) — accuracy 4 m |
| Scope | Province-wide spatial data management. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 44 | degree |
| Longitude of false origin | -70 | degree |
| Latitude of 1st standard parallel | 50 | degree |
| Latitude of 2nd standard parallel | 46 | degree |
| Easting at false origin | 800000 | metre |
| Northing at false origin | 0 | metre |
proj4 definition
+proj=lcc +lat_0=44 +lon_0=-70 +lat_1=50 +lat_2=46 +x_0=800000 +y_0=0 +a=6378137 +rf=298.257222101 +units=m +towgs84=0,0,0 +no_defs
Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:3798.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_MTQ_Lambert",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",800000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-70.0],PARAMETER["Standard_Parallel_1",50.0],PARAMETER["Standard_Parallel_2",46.0],PARAMETER["Latitude_Of_Origin",44.0],UNIT["Meter",1.0]]
Other systems — Canada
- EPSG:3581NAD83(CSRS) / NWT Lambert
- EPSG:3761NAD83(CSRS) / UTM zone 22N
- EPSG:3771NAD27 / Alberta 3TM ref merid 111 W
- EPSG:3772NAD27 / Alberta 3TM ref merid 114 W
- EPSG:3773NAD27 / Alberta 3TM ref merid 117 W
- EPSG:3775NAD83 / Alberta 3TM ref merid 111 W
- 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: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
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.