Unique agency IDAbbreviationFull nameCountryStation(s)
IGIKIGIKInstitute of Geodesy and CartographyPoland (POL)
IGMIIGMIItalian Military Geographic InstituteItaly (ITA)
IGN_RGPIGN_RGPInstitut National de l'Information Géographique et ForestièreFrance (FRA)