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Early warning

作者:满檄    发布时间:2019-02-27 03:11:10    

By Barry Fox Your car stereo will warn you when emergency vehicles are about to come tearing around the corner, if Clive Dunster of Oxford has his way. He suggests using the radio data system (RDS) to enable emergency services to warn drivers of potential hazards. Most new car radios have an RDS decoder that enables them to pick up extra information added to FM signals,

 

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