May be taken as approximate transformation NAD27 to WGS 84 - see code 8622.
US Coast & Geodetic Survey www.ngs.noaa.gov NADCON readme file
1999-10-20
Engineering survey, topographic mapping.
Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.
-2195455.89 2815337.02
-3318669.65 2032736.86
-1116568.94 3632111.13
-104.07 42.48
-96.43 45.95
Definition: OGC Well Known Text
PROJCS["NAD27 / Kentucky North", GEOGCS["NAD27", DATUM["North_American_Datum_1927", SPHEROID["Clarke 1866",6378206.4,294.978698213898, AUTHORITY["EPSG","7008"]], AUTHORITY["EPSG","6267"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4267"]], PROJECTION["Lambert_Conformal_Conic_2SP"], PARAMETER["latitude_of_origin",37.5], PARAMETER["central_meridian",-84.25], PARAMETER["standard_parallel_1",37.9666666666667], PARAMETER["standard_parallel_2",38.9666666666667], PARAMETER["false_easting",2000000], PARAMETER["false_northing",0], UNIT["US survey foot",0.304800609601219, AUTHORITY["EPSG","9003"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","26779"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD27 / Kentucky North", BASEGEOGCRS["NAD27", DATUM["North American Datum 1927", ELLIPSOID["Clarke 1866",6378206.4,294.978698213898, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4267]], CONVERSION["Kentucky CS27 North zone", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",37.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",-84.25, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",37.9666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",38.9666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8824]], PARAMETER["Easting at false origin",2000000, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8826]], PARAMETER["Northing at false origin",0, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["US survey foot",0.304800609601219]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["US survey foot",0.304800609601219]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["United States (USA) - Kentucky - counties of Anderson; Bath; Boone; Bourbon; Boyd; Bracken; Bullitt; Campbell; Carroll; Carter; Clark; Elliott; Fayette; Fleming; Franklin; Gallatin; Grant; Greenup; Harrison; Henry; Jefferson; Jessamine; Kenton; Lawrence; Lewis; Mason; Menifee; Montgomery; Morgan; Nicholas; Oldham; Owen; Pendleton; Robertson; Rowan; Scott; Shelby; Spencer; Trimble; Woodford."], BBOX[37.71,-85.96,39.15,-82.47]], ID["EPSG",26779]]
Definition: ESRI Well Known Text
PROJCS["NAD_1927_StatePlane_Kentucky_North_FIPS_1601", GEOGCS["GCS_North_American_1927", DATUM["D_North_American_1927", SPHEROID["Clarke_1866",6378206.4,294.978698213898]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Lambert_Conformal_Conic"], PARAMETER["False_Easting",2000000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-84.25], PARAMETER["Standard_Parallel_1",37.9666666666667], PARAMETER["Standard_Parallel_2",38.9666666666667], PARAMETER["Latitude_Of_Origin",37.5], UNIT["US survey foot",0.304800609601219]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD27 / Kentucky North", "base_crs": { "name": "NAD27", "datum": { "type": "GeodeticReferenceFrame", "name": "North American Datum 1927", "ellipsoid": { "name": "Clarke 1866", "semi_major_axis": 6378206.4, "semi_minor_axis": 6356583.8 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4267 } }, "conversion": { "name": "Kentucky CS27 North zone", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 37.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": -84.25, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": 37.9666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": 38.9666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 2000000, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 0, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 } }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 } } ] }, "scope": "Engineering survey, topographic mapping.", "area": "United States (USA) - Kentucky - counties of Anderson; Bath; Boone; Bourbon; Boyd; Bracken; Bullitt; Campbell; Carroll; Carter; Clark; Elliott; Fayette; Fleming; Franklin; Gallatin; Grant; Greenup; Harrison; Henry; Jefferson; Jessamine; Kenton; Lawrence; Lewis; Mason; Menifee; Montgomery; Morgan; Nicholas; Oldham; Owen; Pendleton; Robertson; Rowan; Scott; Shelby; Spencer; Trimble; Woodford.", "bbox": { "south_latitude": 37.71, "west_longitude": -85.96, "north_latitude": 39.15, "east_longitude": -82.47 }, "id": { "authority": "EPSG", "code": 26779 } }
Definition: GeoServer
26779=PROJCS["NAD27 / Kentucky North",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6267"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",37.5],PARAMETER["central_meridian",-84.25],PARAMETER["standard_parallel_1",37.9666666666667],PARAMETER["standard_parallel_2",38.9666666666667],PARAMETER["false_easting",2000000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26779"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=37.5 +lon_0=-84.25 +lat_1=37.9666666666667 +lat_2=38.9666666666667 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_0=37.5 +lon_0=-84.25 +lat_1=37.9666666666667 +lat_2=38.9666666666667 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 26779, 'EPSG', 26779, '+proj=lcc +lat_0=37.5 +lon_0=-84.25 +lat_1=37.9666666666667 +lat_2=38.9666666666667 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD27 / Kentucky North",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6267"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",37.5],PARAMETER["central_meridian",-84.25],PARAMETER["standard_parallel_1",37.9666666666667],PARAMETER["standard_parallel_2",38.9666666666667],PARAMETER["false_easting",2000000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26779"]]');