这次太阳风暴同时还使无线电短波通讯中断，海岸警卫队的洛兰远程导航系统瘫痪，车库的自动门自行开启。
The same storm disrupted shortwave radio transmissions, cripple Coast Guard loran navigation systems and had automatic garage doors opening on their own.
因此地方无线电台使用频率相对较高调频无线通讯，而低频短波无线电则可以遍及全球。
Thus FM radio at relatively high frequencies is used for local stations but does not travel far, whereas short-wave radio, at low frequencies, can stretch around the world.
因此地方无线电台使用频率相对较高调频无线通讯，而低频短波无线电则可以遍及全球。
Thus FM radio at relatively high frequencies is used for local stations but does not travel far, whereas short-wave radio, at low frequencies, can stretch around the world.
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