Convert Camacupa 1948 to Camacupa 2015

Convert coordinates from Camacupa 1948 (EPSG:4220) to Camacupa 2015 (EPSG:8694) — official EPSG transformation parameters, accuracy and area of use, with a free in-browser converter.

From

Input (lon, lat (decimal degrees))

Output (lon, lat (decimal degrees))

Direct link to this transformation: epsgtransform.com/transform/epsg-4220-to-epsg-8694

Official EPSG transformations from Camacupa 1948 to Camacupa 2015

The EPSG Geodetic Parameter Dataset defines 2 transformations between Camacupa 1948 (EPSG:4220) and Camacupa 2015 (EPSG:8694). Each applies to a specific area — pick the one whose area of use covers your data.

Camacupa 1948 to Camacupa 2015 (2)

EPSG:8696±4.2 mBest accuracy

Method:: Coordinate Frame rotation (geog2D domain)
Area of use:: Angola - offshore blocks 3 7 15 and 17
Scope:: Geodesy.

Parameter	Value	Unit
X-axis translation(tx)	45.799	metre
Y-axis translation(ty)	-212.263	metre
Z-axis translation(tz)	-11.927	metre
X-axis rotation(rx)	-1.844	arc-second
Y-axis rotation(ry)	0.648	arc-second
Z-axis rotation(rz)	-6.37	arc-second
Scale difference(ds)	0.169	parts per million

Concatenation of transformations 1324 and 8882.

Camacupa 1948 to Camacupa 2015 (1)

EPSG:8695±5.8 m

Method:: Coordinate Frame rotation (geog2D domain)
Area of use:: Angola - offshore blocks 2 3 17-18 and 31-33
Scope:: Geodesy.

Parameter	Value	Unit
X-axis translation(tx)	42.899	metre
Y-axis translation(ty)	-214.863	metre
Z-axis translation(tz)	-11.927	metre
X-axis rotation(rx)	-1.844	arc-second
Y-axis rotation(ry)	0.648	arc-second
Z-axis rotation(rz)	-6.37	arc-second
Scale difference(ds)	0.169	parts per million

Concatenation of transformations 1327 and 8882.

Convert EPSG:4220 to EPSG:8694 in code

The same transformation with common GIS tools and libraries:

from pyproj import Transformer

transformer = Transformer.from_crs("EPSG:4220", "EPSG:8694", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)

Source: EPSG:4220 — Camacupa 1948

geographic system using latitude and longitude on an ellipsoid · Area of use: Angola - Angola proper

+proj=longlat +a=6378249.145 +rf=293.465 +no_defs +type=crs

More about EPSG:4220 →

Target: EPSG:8694 — Camacupa 2015

geographic system using latitude and longitude on an ellipsoid · Area of use: Angola

+proj=longlat +a=6378249.145 +rf=293.465 +towgs84=-93.799,-132.737,-219.073,-1.844,0.648,-6.37,-0.169 +no_defs +type=crs

More about EPSG:8694 →

Frequently asked questions

How accurate is converting Camacupa 1948 to Camacupa 2015?: The most accurate official EPSG transformation between these systems is accurate to about ±4.2 m within its stated area of use. Browser-based converters approximate datum shifts with Helmert parameters; for surveying-grade work apply the official transformation in a desktop GIS.
Does my data leave the browser when I use this converter?: No. All coordinate transformations are computed locally in your browser using proj4js. The coordinates you enter are never transmitted to any server.

Need the reverse? Convert EPSG:8694 to EPSG:4220 →