Consortium

1PTBPhysikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 BraunschweigGermany
2CMICzech Metrology Institute, V Botanice 4, CZ-150 72 Prague 5Czech Republic
3INRIMIstituto Nazionale di Ricerca Metrologica, Strada delle Cacce 91, 10135 TorinoItaly
4NPLNational Physical Laboratory Hampton Road, Teddington Middlesex, TW11 0LWUK
5UMENational Institute of Metrology (TUBITAK-UME), P.K. 54, 41470, Gebze-KocaeliTurkey
6HELHitachi Europe Limited, Whitebrook Park, Lower Cookham Road, Maidenhead, Berkshire, SL6 8YAUK