M. Van Roozendael (IASB-BIRA) – SAOZ system for NO2 and ozone operated since June 1990. Upgraded with new detector (more pixels) and control system in late 1998. A MAXDOAS system has been in operation since July 2010.
IASB-BIRA: Institut d'Aéronomie Spatiale de Belgique - Belgian Institute for Space Aeronomy
NPL: National Physical Laboratory
ULg: University of Liège (Groupe InfraRouge de Physique Atmosphérique et Solaire - GIRPAS)