The Soundings were usually performed during the daytime of IOPs at two fixed locations. Scheduled launching times were at 05, 08, 11, 14, 17 and 20 UTC.

                Radiosounding at Burnhaupt le Bas, France:
                Sondes of the type DFM-06 manufactured by the Company GRAW (http://graw.de) have been used.

                Radiosounding at FZK, Karlsruhe, Germany
                Sondes of the type DFM-97 manufactured by GRAW (http://graw.de) have been used. From 26 July at 5:02 DFM-06 sondes of the same company have been used.
                On 25 July at 11:08 there was a test run of a DFM-06 sonde.