Two first launches configurations

After many month of search and comparison of previous projects, technology, and reading back my telco undergraduate books, here's at last the definition of the two first launch about to take place :




First launch main goals: 

• Send and receive telemetry data using an arduino board
• Record videos from the onboard gopro on an onboard sdcard
• Stabilize camera recording using an onboard gyroscopic plateform built on ardupilot
• Ssend servo commands to the arduino board so that the gopro (on a pan/tilt mechanism) moves as I move my joystick on the ground
• Communication distance targeted : 33km LOS
• Frequency used : 868Mhz using Zigbee pro protocol (or alternative if more suitable, but at the time being, the best identifed.. there are a number of problems with this protocol.. I am aware of it.. )
• Reception and live monitoring of position, angle of incidence, speed, external and internal temperature on a ground station using HK Ground Station

Second Launch main goal :

• live transmission of HD video on the ground using digital COFDM modems and a gopro as video camera

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