ITU-R RAPPORT 809-3 FRENCH-1990 INTER-REGIONAL SHARING OF THE 11 7 TO 12 75 GHz FREQUENCY BAND BETWEEN THE BROADCASTING-SATELLITE SERVICE AND THE FIXED-SATELLITE SERVICE《11 7-12 75.pdf

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ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

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