New BeiDou Interface Control Document released
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Beidou
Version 2.1 of the BeiDou Navigation Satellite System Signal In Space Interface Control Document for the Open Service Signal has been released.
The document was issued by the China Satellite Navigation Office. It defines the specification related to open service signals B1I and B2I between the space segment and the user segment of the BeiDou Navigation Satellite System. B2I will be gradually replaced by a better signal with the construction of global system.
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