The cacophany more closely resembles citizens band radio, complete with handles, harrasment, and anonymous threats.

杂音类似于市民波段的收音机，是广告，骚扰，和匿名威胁。

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The same thing happened to citizens band radio in the 1970s freely available and fun at first but impossible to use once the masses joined in.

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Police in the area have mounted a major operation to track down the gunman, who is believed to have fled to a nearby gorge taking a citizens band radio with him.

BBC: Cape gunman kills seven