业余无线电通信
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In 1969, the Radio Amateur Satellite Corporation (AMSAT) was created in order to foster ham radio enthusiasts' participation in space research and communication.
1969年，国际业余卫星组织（AMSAT）成立了，其目的是促进业余无线电爱好者参与并讨论太空研究。
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The network of amateur ham radio operators regularly spring into action during emergencies, such as hurricanes, when other lines of communication are cut.
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