M. Paulete Pereira Martins and F. Raimundo da Silva (INPE), A.M Thompson (GSFC) – Weekly ECC sondes since July 1967 with data archived since 2000. NDACC data archived Previous PI Schmidlin is listed on the datafiles.
ECC: Electrochemical Concentration Cell (relates to ozonesondes)
GSFC: Goddard Space Flight Center (NASA, United States)
NASA: National Aeronautics and Space Administration (United States)
WFF: Wallops Flight Facility (NASA, United States)