Come and see us at booth #732 at the AMS-exhibition in Austin, TX, USA (6 - 10 January 2013)!
GRAW's radiosonde was filmed during its flight.
GRAW convinced interested professional visitors with groundstation for extreme harsh environments
The unwinder (dereeler) UW2 is designed to facilitate the launching of lightweight radiosondes (such as the DFM-09 and DFM-06) under all weather conditions. The UW2 is connected between the radiosonde and the balloon by a cord which slowly increases its length after release of the balloon. The unwinding speed of the cord is controlled by a small rubber balloon which acts as a brake.