P. Skrivankova (CHMI) - ECC sondes launched 3 times per week since January 1992 for profile measurements from 0 to 34 km. More frequent launches have occurred during campaigns. Also measures T/P, humidity and wind profiles. Data archived since 2004.
CHMI: Czech Hydrometeorological Institute (Czech Republic)
ECC: Electrochemical Concentration Cell (relates to ozonesondes)