//Roll,Pitch,Yaw (3), xAcc, yAcc, zAcc (3), Bat, Heading, Heartbeat (3), Lat, Lon, Alt (3), => 4x3=12
// battery_status.battery_remaining
// altitude.altitude_relative
// attitude.pitch*180/PI
// attitude.roll*180/PI
// attitude.yaw*180/PI
// vfr_hud.heading
// highres_imu.xgyro
// highres_imu.ygyro
// highres_imu.zgyro
//Create or reopen an asynchrone channel "/channel_example" sending data of type int8/char in format undefined format of one dimension (vector) of SIZE.