EPSG:CODE

ESRI:102631 NAD 1983 StatePlane Alaska 1 FIPS 5001 Feet

Projected · USA - Alaska - Panhandle

Export Formats

OGC WKT
PROJCS[
    "NAD_1983_StatePlane_Alaska_1_FIPS_5001_Feet",
    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["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"],
    PARAMETER["False_Easting",16404166.66666666],
    PARAMETER["False_Northing",-16404166.66666666],
    PARAMETER["Scale_Factor",0.9999],
    PARAMETER["Azimuth",-36.86989764583333],
    PARAMETER["Longitude_Of_Center",-133.6666666666667],
    PARAMETER["Latitude_Of_Center",57.0],
    UNIT["Foot_US",0.3048006096012192]
]

Frequently Asked Questions

How do I add ESRI:102631 to GeoServer?

Add the following definition to your GeoServer configuration:

102631=PROJCS["NAD_1983_StatePlane_Alaska_1_FIPS_5001_Feet",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["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"],PARAMETER["False_Easting",16404166.66666666],PARAMETER["False_Northing",-16404166.66666666],PARAMETER["Scale_Factor",0.9999],PARAMETER["Azimuth",-36.86989764583333],PARAMETER["Longitude_Of_Center",-133.6666666666667],PARAMETER["Latitude_Of_Center",57.0],UNIT["Foot_US",0.3048006096012192]]
Read the full GeoServer guide →

How do I add ESRI:102631 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102631, 'ESRI', 102631, '+proj=omerc +datum=NAD83 +units=us-ft +x_0=5000000.0 +y_0=-5000000.0 +k_0=0.9999 +lonc=133d40''W +lat_0=57dN +alpha=-36.86989764583333 +no_uoff +towgs84=-0.9956000824677655,1.901299877314078,0.5215002840524426,0.02591500053005733,0.009425998542707753,0.01159900118427752,-0.00062000005129903 +no_defs', 'PROJCS["NAD_1983_StatePlane_Alaska_1_FIPS_5001_Feet",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["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"],PARAMETER["False_Easting",16404166.66666666],PARAMETER["False_Northing",-16404166.66666666],PARAMETER["Scale_Factor",0.9999],PARAMETER["Azimuth",-36.86989764583333],PARAMETER["Longitude_Of_Center",-133.6666666666667],PARAMETER["Latitude_Of_Center",57.0],UNIT["Foot_US",0.3048006096012192]]');
Read the full PostGIS guide →

How do I add ESRI:102631 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=omerc"
  "+datum=NAD83"
  "+units=us-ft"
  "+x_0=5000000.0"
  "+y_0=-5000000.0"
  "+k_0=0.9999"
  "+lonc=133d40'W"
  "+lat_0=57dN"
  "+alpha=-36.86989764583333"
  "+no_uoff"
  "+towgs84=-0.9956000824677655,1.901299877314078,0.5215002840524426,0.02591500053005733,0.009425998542707753,0.01159900118427752,-0.00062000005129903"
  "+no_defs"
END
Read the full MapServer guide →

How do I use ESRI:102631 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("ESRI:102631", "+proj=omerc +datum=NAD83 +units=us-ft +x_0=5000000.0 +y_0=-5000000.0 +k_0=0.9999 +lonc=133d40'W +lat_0=57dN +alpha=-36.86989764583333 +no_uoff +towgs84=-0.9956000824677655,1.901299877314078,0.5215002840524426,0.02591500053005733,0.009425998542707753,0.01159900118427752,-0.00062000005129903 +no_defs");
Read the full Proj4js guide →