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Taking the application of the Beidou satellite SMS to the unmanned automatic weather station network of the Xinjiang Meteorological Service as an example, an introduction is made to the application of the Beidou satellite SMS to the data transmission of the unmanned automatic weather station network, with the emphases on the specific requirements of data transmission, the framework of the telecommunication transmission network, information processing, control modes, etc. The advantages and disadvantages of the proposed method are analyzed, in combination with the practical application in the Xinjiang Meteorological Service. The application of the Beidou satellite SMS has great potentials in the data transmission of the unmanned automatic weather station network.