Canister type ARS automatically launches radiosondes iMS100 and acquires Upper-air sounding data. ARS can release operators from mid-night-early morning sounding, dangerous H2 gas inflating works, frequent trouble shooting, balloon launching in windy condition, and limited loading number of radiosonde and balloon. Canister type ARS allows to adjust the number of Radiosonde & balloon to be loaded. 4 to 40pcs of iMS100 & balloon can be set to the Canister module. ARS is remotely monitored and controlled.