🌍 GEODETIC REFERENCE
Surveying in Italy
The legal national reference is RDN2008, realisation of ETRS89. Historic data often in Monte Mario (Roma 1940). Cadastral mapping uses Cassini-Soldner and Gauss-Boaga historically.
National datum
RDN2008 / ETRS89
Vertical datum
Genova 1942 (mean sea level)
UTM zones
32N, 33N (34N for Salento)
CORS stations (our DB)
8
Mapping authority
Istituto Geografico Militare (IGM) + Agenzia delle Entrate (cadastre)