EPSG:CODE

NAD27(CGQ77) to NAD83(CSRS98) (1)

EPSG:4609 → EPSG:4140

Deprecated

Coordinate Reference Systems

Source CRS
EPSG:4609
NAD27(CGQ77)
Geographic 2D
Target CRS
EPSG:4140
NAD83(CSRS98)
Geographic 2D

Remarks

Uses NT method which expects longitudes positive west; EPSG GeogCRSs NAD27(CGQ77) (code 4609) and NAD83(CSRS98) (code 4140) have 1691longitudes positive east. Can be taken as an approximate transformation NAD27(CGQ77) to WGS 84 - see code 1691.