Laboratory of Atmospheric Physics - Aristotle University of Thessaloniki, GR (LAP-AUTH), Coordinator (http://lap.physics.auth.gr/)

Centre National de Reserche Scientifique, Service d' Aeronomie, FR (CNRS-SA)

Institute d' Aeronomie Spatiale de Belgique, BE (IASB)

Meteorologie Consult GmbH, D, (METCON)

National Technical University of Athens, GR (NTUA)

External Assistance : S. Madronich (NCAR), and J. de Luisi (NOAA)

University of Munich, D, (UMUN)

Demokritus University of Thrace, GR (DUTH)

Dept. of Chemistry, University of Crete, GR, (ECPL-UC)

University of Oslo, NO, (UiO)

Ecole Polytechnique Federale de Lausanne, CH (EPFL-LAPS)

University of Aegean, GR (DESUA)

Academy of Athens, GR (ACATHEN)

University of Rome, IT (UOR)

Ente per le Nuove tecnologie, l' Energia e'l Ambiente, IT, (ENEA)

Institute for Atmospheric Physics - Italian Research Council, IT, (CNR)