| Instrument | Institute | Location | County | Country | Responsable |
| xxxx | Hydrometeorological Institute | Hradec Králové | Hradec Králové | Czech Republic | xxxxxx |
| POM02 | Meteorological Observatory | Lindenberg | Lindenberg | Germany | R. Becker |
| xxxx | xxxxxx | Zingst | Zingst | Germany | xxxxx |
| POM02 | ARPA Aosta | Aosta | Aosta | Italy | H. Diémoz |
| POM01 | CNR-ISAC | Rome | Rome | Italy | M. Campanelli |
| POM01/02 | CNR-ISAC | Tor Vergata | Rome | Italy | M. Campanelli |
| POM01 | Italian Military Air Force | Sigonella | Catania | Italy | M. Campanelli |
| POM02 | University of Sevilla - ETSI | Seville | Seville | Spain | M. Larraneta |
| xxxxxx | xxxxx | Izana | Tenerife | Spain | xxxxx |
| xxxx | xxxxx | Izana | Tenerife | Spain | xxxxx |
| POM02 | University of Valencia | Burjassot | Valencia | Spain | V. Estelles |
| POM01 | British Antarctic Survey | Cambridge | Cambridge | UK | J. Shanklin |
| POM01 | Plymouth Marine Laboratory | Plymouth | Devon | UK | T. Smyth |
| XXXXX | NASA Space Flight Center | Goddard | Washington DC | USA | XXXXX |
| POM01 | National Renewable Energy Laboratory | Golden | Colorado | USA | Afshin Andreas |
| XXXXX | Santiago University | Atakama | Atacama | Chile | R. Cordero |
| POM01 | British Antarctic Survey | Halley | UK | Antartica | J. Shanklin |
| POM01 | British Antarctic Survey | Rothera | UK | Antartica | J. Shanklin |