Pressure test of a pico balloon

This is a new experimental 4 gore balloon. Its small but will fly at 41,000 ft. Here we pressure test it to insure that it has no holes and that it will withstand the pressure at 41000 ft. watch our live ham show Amateur Radio Roundtable every Tues nigth at 8:00 PM Central on w5kub.com also please join our ham radio group at   / w5kub