Solar flares can disrupt radio communications, including devices that use Global Positioning system technology, such as cell phones, airplanes and car navigation systems.
太阳耀斑能够干扰到无线电通讯，包括使用全球定位系统技术的设备，如手机、飞机和汽车导航系统。
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Global Positioning system (GPS) is a radionavigation system which provides free users with accurate longitude, latitude and elevation of three-dimensional position information and time information.