The EPSG Geodetic Parameter Dataset defines 52 transformations between NAD83 (EPSG:4269) and WGS 84 (EPSG:4326). Each applies to a specific area — pick the one whose area of use covers your data.
EPSG:1696±1.5 mBest accuracy- Method:
- NTv2
- Area of use:
- Canada - Quebec
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid file: NA83SCRS.GSB
Parameter file is from NAD83 to NAD83(CSRS)v2 (1) (code 9241) assuming that NAD83(CSRS)v2 is equivalent to WGS 84 within the accuracy of the transformation. Also distributed with file name NAD83-98.gsb.
- Method:
- NTv2
- Area of use:
- Canada - Saskatchewan
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid file: SK83-98.gsb
Parameter file is from NAD83 to NAD83(CSRS)v2 (2) (code 9887) assuming that NAD83(CSRS)v2 is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NTv2
- Area of use:
- Canada - Alberta
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid file: AB_CSRS.DAC
Parameter file is from NAD83 to NAD83(CSRS)v4 (3) (code 9244) assuming that NAD83(CSRS)v4 is equivalent to WGS 84 within the accuracy of the transformation. This file AB_CSRS.DAC will need to be renamed to AB_CSRS.gsb to run in some software.
- Method:
- NADCON
- Area of use:
- USA - Arkansas
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: arhpgn.lasarhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (40) (code 1704) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Iowa
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: iahpgn.lasiahpgn.los
Parameter files are from NAD83 to NAD83(HARN) (41) (code 1705) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Minnesota
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: mnhpgn.lasmnhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (42) (code 1706) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Missouri
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: mohpgn.lasmohpgn.los
Parameter files are from NAD83 to NAD83(HARN) (43) (code 1707) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Colorado
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: cohpgn.lascohpgn.los
Parameter files are from NAD83 to NAD83(HARN) (5) (code 1478) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Georgia
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: gahpgn.lasgahpgn.los
Parameter files are from NAD83 to NAD83(HARN) (6) (code 1479) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Florida
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: flhpgn.lasflhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (7) (code 1480) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Idaho and Montana - east of 113°W
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: emhpgn.lasemhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (8) (code 1481) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Idaho and Montana - west of 113°W
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: wmhpgn.laswmhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (9) (code 1482) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Alabama
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: alhpgn.lasalhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (1) (code 1474) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Kentucky
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: kyhpgn.laskyhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (10) (code 1483) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Louisiana
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: lahpgn.laslahpgn.los
Parameter files are from NAD83 to NAD83(HARN) (11) (code 1484) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Delaware and Maryland
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: mdhpgn.lasmdhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (12) (code 1485) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Maine
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: mehpgn.lasmehpgn.los
Parameter files are from NAD83 to NAD83(HARN) (13) (code 1486) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Michigan
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: mihpgn.lasmihpgn.los
Parameter files are from NAD83 to NAD83(HARN) (14) (code 1487) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Mississippi
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: mshpgn.lasmshpgn.los
Parameter files are from NAD83 to NAD83(HARN) (15) (code 1488) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Nebraska
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: nbhpgn.lasnbhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (16) (code 1489) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - New England - south (CT, MA, NH, RI, VT)
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: nehpgn.lasnehpgn.los
Parameter files are from NAD83 to NAD83(HARN) (17) (code 1490) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - New Mexico
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: nmhpgn.lasnmhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (18) (code 1491) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - New York
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: nyhpgn.lasnyhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (19) (code 1492) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Arizona
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: azhpgn.lasazhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (2) (code 1475) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - North Dakota
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: ndhpgn.lasndhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (20) (code 1493) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Oklahoma
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: okhpgn.lasokhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (21) (code 1494) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- Caribbean - Puerto Rico and US Virgin Islands - onshore
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: pvhpgn.laspvhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (22) (code 1495) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - South Dakota
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: sdhpgn.lassdhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (23) (code 1496) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Tennessee
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: tnhpgn.lastnhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (24) (code 1497) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Texas east of 100°W
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: ethpgn.lasethpgn.los
Parameter files are from NAD83 to NAD83(HARN) (25) (code 1498) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Texas west of 100°W
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: wthpgn.laswthpgn.los
Parameter files are from NAD83 to NAD83(HARN) (26) (code 1499) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Virginia
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: vahpgn.lasvahpgn.los
Parameter files are from NAD83 to NAD83(HARN) (27) (code 1500) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Oregon and Washington
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: wohpgn.laswohpgn.los
Parameter files are from NAD83 to NAD83(HARN) (28) (code 1501) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Wisconsin
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: wihpgn.laswihpgn.los
Parameter files are from NAD83 to NAD83(HARN) (29) (code 1502) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - California - north of 36.5°N
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: cnhpgn.lascnhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (3) (code 1476) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Wyoming
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: wyhpgn.laswyhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (30) (code 1503) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Hawaii - onshore
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: hihpgn.lashihpgn.los
Parameter files are from NAD83 to NAD83(HARN) (31) (code 1520) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Indiana
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: inhpgn.lasinhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (32) (code 1521) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Kansas
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: kshpgn.laskshpgn.los
Parameter files are from NAD83 to NAD83(HARN) (33) (code 1522) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Nevada
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: nvhpgn.lasnvhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (34) (code 1523) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Ohio
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: ohhpgn.lasohhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (35) (code 1524) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Utah
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: uthpgn.lasuthpgn.los
Parameter files are from NAD83 to NAD83(HARN) (36) (code 1525) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - West Virginia
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: wvhpgn.laswvhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (37) (code 1526) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Illinois
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: ilhpgn.lasilhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (38) (code 1553) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - New Jersey
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: njhpgn.lasnjhpgn.los
Parameter files are from NAD83 to NAD83(HARN) (39) (code 1554) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - California - south of 36.5°N
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: cshpgn.lascshpgn.los
Parameter files are from NAD83 to NAD83(HARN) (4) (code 1477) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - North Carolina
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: nchpgn.lasnchpgn.los
Parameter files are from NAD83 to NAD83(HARN) (44) (code 15834) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - South Carolina
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: schpgn.lasschpgn.los
Parameter files are from NAD83 to NAD83(HARN) (45) (code 15836) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- NADCON
- Area of use:
- USA - Pennsylvania
- Scope:
- (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Grid files: pahpgn.laspahpgn.los
Parameter files are from NAD83 to NAD83(HARN) (46) (code 15838) assuming that NAD83(HARN) is equivalent to WGS 84 within the accuracy of the transformation.
- Method:
- Geocentric translations (geog2D domain)
- Area of use:
- North America - Canada and USA (CONUS, Alaska mainland)
- Scope:
- Military survey.
| Parameter | Value | Unit |
|---|
| X-axis translation(tx) | 0 | metre |
| Y-axis translation(ty) | 0 | metre |
| Z-axis translation(tz) | 0 | metre |
Derived at 354 stations. Accuracy 2m in each axis.
- Method:
- Geocentric translations (geog2D domain)
- Area of use:
- USA - Hawaii - main islands
- Scope:
- Military survey.
| Parameter | Value | Unit |
|---|
| X-axis translation(tx) | 1 | metre |
| Y-axis translation(ty) | 1 | metre |
| Z-axis translation(tz) | -1 | metre |
Derived at 6 stations. Accuracy 2m in each axis.
- Method:
- Geocentric translations (geog2D domain)
- Area of use:
- USA - Alaska - Aleutian Islands
- Scope:
- Military survey.
| Parameter | Value | Unit |
|---|
| X-axis translation(tx) | -2 | metre |
| Y-axis translation(ty) | 0 | metre |
| Z-axis translation(tz) | 4 | metre |
Derived at 4 stations. Accuracy 5m, 2m and 5m in X, Y and Z axes.