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Geodetic Reference Systems IE Ireland Geodetic Reference System
graphic22. Sept. 1998
Geodetic Reference Systmes Ireland
Irish National Datum 1965
Irish National Datum 1975 "Mapping Adjustment"
Irish County datums
CRS Relationships IE
Irish National Datum 1965 Ireland Geodetic Reference System
Name (Init.):
Ellipsoid: Airy Modified
Central Point: Slieve Donard
related information
CRS Relationships IE
Irish National Datum 1975 "Mapping Adjustment" Ireland Geodetic Reference System
Name (Init.):
Ellipsoid: Airy Modified
Central Point: Slieve Donard
related information
CRS Relationships IE
Irish County datums Ireland Geodetic Reference System
Name (Init.):
Ellipsoid: Airy
Central Point: Country dependent
related information
CRS Relationships IE
CRS Relationships IE Ireland Geodetic Reference System
graphic22. Sept. 1998
CRS Relationships Ireland
Country 
Name 
Central  Point 
Spheroid 
Parameters 
Description 
Source 
 
 
 
 
dx  [m] 
dy  [m] 
dz  [m] 
rx  ["] 
ry  ["] 
rz  ["] 
ds  [ppm] 
 
 
National 
 
Ireland 
Irish National  Datum 1965 
Slieve  Donard 
Airy  Modified 
506
-  122
611
 
 
 
 
Datum ->  WGS84
 
Ireland
Irish National  Datum 1975  
"Mapping  Adjustment"
Slieve  Donard
Airy  Modified
 
 
 
 
 
 
 
 
 
Ireland 
Irish County  datums 
 
Airy 
 
 
 
 
 
 
 
 
 
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