DS I-ETS 300330-1995 Radio Equipment and Systems (RES) Short Range Devices (SRDs) -Technical characteristics and test methods for radio equipment in the frequency range 9 kHz to 25.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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