CUBEX is a high altitude balloon payload with a camera, GPS, ISM band radio, lipo battery, solar cells, and charger/power management circuit. The payload is capable of sending downlink telemetry of its GPS coordinates as well as pictures it takes while in flight, all live. The solar charging circuit allows the payload to run for days as long as the balloon holds float. The payload made its maiden voyage at the Layerone hacker conference in Monrovia, CA on May 24th.