Hydrogen filled balloon ready for launch. The radiosonde can be seen on the wooden stand.
Hydrogen filled balloon ready for launch. On the right is the hydrogen shed and on the far right is the former heater shed, which is seperate due to the possiblity of fire.
800 g weather balloon, still in plastic wrap, and filling stand with 1,500 g lift.
Balloon laid out on table attached to filler stand.
Balloon fully inflated using 1,500 g lift.
See also: Ceiling balloon