The portable differential ground station system independently developed by Beidou Nebula company comprises ground station and airborne radio, ground station can carry out comprehensive calculation to obtain information such as position, speed, time, etc., is connected with transmitting station by built-in serial port, utilizes transmitting station to send differential data of base station to airborne radio, airborne radio and airborne satellite navigation board complete differential data transmission through serial port, utilizes the observation and measurement information that differential ground station transmits, carries out differential decomposition calculation, realizes high-precision positioning solution. It is mainly used in the take-off and landing guidance of UAVs in the field.
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