Unique agency IDAbbreviationFull nameCountryInternational network(s)Local network(s)Station(s)
IECAIECAInstituto de Estadistica y Cartografia de AndaluciaSpain (ESP)EPN densification, EPOS
IESSGIESSGUniversity of NottinghamUnited Kingdom of Great Britain and Northern Ireland (the) (GBR)EPN
IGCASIGCASInstitute of Geophysics of the Czech Adademy of ScienceCzechia (CZE)EPOS
IGDIGDIGD GROUP AEGreece (GRC)EPN
IGEIGEInstituto Geografico Nacional de EspanaSpain (ESP)EPN, EPN densification, EPOSERGNSS, PE, RGM, XGAIB
IGEARIGEARInstituto Geografico de AragonSpain (ESP)EPN densification, EPOS