ITU-R REPORT 1175-1990 406 MHz GEOSTATIONARY SATELLITE DISTRESS ALERTING EXPERIMENT《406 MHz的地球同步卫星遇险报警实验》.pdf

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ITU-R SA 2044-2013 Protection criteria for non-GSO data collection platforms in the band 401-403 MHz《非同步卫星数据收集平台在401-403 MHz频段间的保护标准》.pdf

ITU-R S 1003-2 SPANISH-2010 Environmental protection of the geostationary-satellite orbit《地球同步卫星轨道的环境保护》.pdf

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