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Geodetic Reference Systems IT Italy Geodetic Reference System
graphic22. Sept. 1998/
graphic06.08.2011
Geodetic Reference Systems Italy
Roma Monte Mario Italy Geodetic Reference System
Name (Init.):
Ellipsoid: Hayford 1924
Central Point: Roma Monte Mario Observatory
Genoa Bessel Italy Geodetic Reference System
Name (Init.):
Ellipsoid: Bessel 1841
Central Point: Genoa
related information
Sicily Italy Geodetic Reference System
Name (Init.):
Ellipsoid: Hayford 1924
Central Point:
related information
ED50 in Italy Italy Geodetic Reference System
Name (Init.):
Ellipsoid: Hayford 1924
Central Point:
related information
CRS Relationships IT Italy Geodetic Reference System
graphic22. Sept. 1998/
graphic06.08.2011
CRS Relationships Italy
Area 
Name 
Central  Point 
Spheroid 
Parameters 
Description 
Source 
 
 
 
 
 
 
 
 
dx  [m] 
dy  [m] 
dz  [m] 
rx  ["] 
ry  ["] 
rz  ["] 
ds  [ppm] 
 
 
 
 
National 
 
 
Italy
(penisula Part)
IT_ROMA40 (peninsular part)
MonteMario,  Roma 
Hayford  1924 
- 104.1 m
- 49.1m
- 9.9m
+0.971"
- 2.917"
+0.714"
- 11.68 ppm
Datum -> ETRS89
Italy 
(Sicily)
IT_ROMA40 (Sicily)
MonteMario,  Roma 
Hayford  1924 
- 50.2 m
- 50.4 m
+84.8 m
- 0.690"
- 2.012"
+0.459"
- 28.08ppm
Datum -> ETRS89
Italy 
(Sardinia)
IT_ROMA40 (Sardinia)
MonteMario,  Roma 
Hayford  1924 
- 168.6m
- 34.0m
+38.6m
- 0.374"
- 0.679"
- 1.379"
-9.48 ppm
Datum -> ETRS89
Italy 
IGM 1940
MonteMario,  Roma 
Hayford  1924 
144.2m
72.8 m
- 11.4m
Epsilon 1.8"
Psi - 1.2"
Omega 2.3"
8.3ppm
WGS84 -> Datum
Hooijberg 97
Italy 
IGM1983
MonteMario,  Roma 
Hayford  1924 
169.5m
79.0m
12.9m
Epsilon 0.6"
Psi - 1.5"
Omega 1.2
2.8 ppm
WGS84 -> Datum
Hooijberg 97
Italy 
IGM 1940
MonteMario,  Roma 
Hayford  1924 
265.358m
177.209m
- 86.405m
Epsilon - 1.7199D- 05rad
Psi 1.2662D- 05rad
Omega 8.4928D- 06rad
(none)
WGS84 -> Datum
Hooijberg 97
Italy 
IGM 1940
MonteMario,  Roma 
Hayford  1924 
- 139.052 m
90.470m
- 471.337m
Epsilon - 1.7199D- 05rad
Psi 1.2662D- 05rad
Omega 8.4928D- 06rad
8.8720D-05
WGS84 -> Datum
Hooijberg 97
Italy 
Bessel Genova
 
Bessel 1841
- 899.956 m
- 72.052m
- 984.521m
Epsilon - 2.3884D- 06rad
Psi 1.3451D- 05rad
Omega 3.0252D- 05rad
8.8961D-05
WGS84 -> Datum
Hooijberg 97
Italy 
SI  1940 
MonteMario,  Roma 
Hayford  1924 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Megrin 93
Italy
Rome  1940
MonteMario,  Roma
Hayford  1924
-  225
-65
9
 
 
 
 
 
 
 
 
Datum ->  WGS84
Dana 97
Sicily
 
 
 
 
Hayford  1924
-97
-88
-  135
 
 
 
 
 
 
 
 
Datum ->  WGS84
Dana 97
Regional 
 
 
Belgium,  Denmark,  Germany,  France,  Greece,  Italy,  Luxemburg,  Netherlands,  NATO,  Norway,  Spain,  Sweden,  Turkey 
ED50 
 
 
Hayford  1924