抄録
A students group Hokkaido Space Union had been to space development for nine years. HSU made data handling unit named Sprit-nexus. It has been mounted on the CAMUI hybrid rocket. The objective obtain a telemetry data of the Sprit-nexus for the CAMUI hybrid rocket recovery. Telemetry data is composed of position coordinates and altitude and acceleration and attitude. CAMUI hybrid rocket is being developed by professor Harunori Nagata in Hokkaido University. CAMUI hybrid rocket was launched in Taiki Aerospace Research Field on July 28 2012. It was to go recovery by the ships from the sea after launch but, Sprit-nexus could not obtained a telemetry data. I will tried to find the cause of failure. As a result, the visual observation proved simple faulty electrical wiring.
