Anne M. Thompson
PRINCIPAL INVESTIGATOR Penn State Univ Meteorology Dept 503 Walker Bldg, Univ Park PA 16802-5013 Tel: 814-865-0479 Fax: 814-865-3663
Bertrand Calpini
Aerological Station CH-1530 Payerne Switzerland Fax: 41-26-662-6212
Kok Kee Chow
Director General: Malaysian Meteorological Service Jalan Sultan 46667 Petaling Jaya Selangor, Malaysia
Gerrie J R Coetzee
South African Weather Service Department of Environmental Affairs and Tourism Private Bag X 97 Pretoria, South Africa, 0001 Tel: +27 12 309 3052/3097 Fax: +27 12 323 4518
Ge Verver
Royal Netherlands Meteorological Institute (KNMI) P.O. Box 201 3730 AE De Bilt The Netherlands Tel: +31-30-2206444 Fax: +31-30-2210407
Masatomo Fujiwara
Faculty of Environmental Earth Science Hokkaido University, Sapporo 060-0810, Japan Tel: +81-11-706-2362/2374 Fax: +81-11-706-4865
Neusa Paes Leme
INPE/Lab. de Ozonia Av. dos Astronautas 1758, Jd. da Granja - CEP:12227-010 São José dos Campos, São Paulo, Brasil
Giovanni Laneve
Università di Roma 'La Sapienza' Centro di Ricerca Progetto San Marco (C.R.P.S.M.) Via Salaria, 851 00138, Rome, Italy Tel: 0039-(0)6-88.346.455 Fax: 0039-(0)6-8105241
Samuel J. Oltmans
NOAA/CMDL 325 Broadway Boulder, CO, USA, 80303 Tel: 303-497-6676 Fax: 303-497-6290
Françoise Posny
Université de La Réunion Faculté des Sciences Laboratoire de Physique de l'Atmosphère 15 Avenue René Cassin, BP 7151 97715 St Denis Messag Cedex 9 La Réunion, France Fax:  2 62 93 82 17
Francis J. Schmidlin
Laboratory for Hydrospheric Processes Observational Science Branch NASA/Wallops Flight Facility Wallops Island, Virginia, USA, 23337 Tel: 757-824-1618 Fax: 757-824-1036
Masato Shiotani
Research Institute for Sustainable Humanosphere (RISH) Kyoto University Uji, Kyoto 611-0011 Japan Tel:  +81-774-38-3850 Fax:  +81-774-31-8463
Valérie Thouret
CNRS (UMR 5560) Laboratoire d'Aérologie OMP, 14 Avenue E. Belin 31400 - Toulouse, France Tel:  +33 561 33 27 40 Fax:  +33 561 33 27 90
Holger Vömel
Cooperative Institute for Research in Environmental Sciences University of Colorado Campus Box 216, Boulder, CO 80309 Tel:  303-497-6192 Fax:  303-497-5590