Source: EPSG:9534 — RGAF09 + IGN 1988 SB height
compound horizontal + vertical reference system · Area of use: Guadeloupe - St Barthelemy - onshore
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +vunits=m +no_defs +type=crsMore about EPSG:9534 →
Online coordinate converter from RGAF09 + IGN 1988 SB height (EPSG:9534) to WGS 72 (EPSG:4322). Enter your source coordinates and get the result instantly. All transformations happen in your browser — no data is sent to any server.
The same transformation with common GIS tools and libraries:
from pyproj import Transformer
transformer = Transformer.from_crs("EPSG:9534", "EPSG:4322", always_xy=True)
x, y = transformer.transform(-73.9857, 40.7484)
print(x, y)compound horizontal + vertical reference system · Area of use: Guadeloupe - St Barthelemy - onshore
+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +vunits=m +no_defs +type=crsMore about EPSG:9534 →
geographic system using latitude and longitude on an ellipsoid · Area of use: World
+proj=longlat +ellps=WGS72 +no_defs +type=crsMore about EPSG:4322 →