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Re: CCTV cameras in subway cars

Posted by Handbrake on Thu Jun 23 21:56:52 2022, in response to CCTV cameras in subway cars, posted by rbseabeach on Thu Jun 23 11:12:47 2022.

On board CCTV images would be held on board until there's a need to examine any video. Petty much the same way it's done at fixed station locations, except NVR recording equipment located at a train station can be accessed remotely via an IP connection for review, and or download of video.

As for train borne CCTV, no upload from moving trains at this time. The tunnel, and above ground, radio transmission system are limited to narrow band VHF, and 25KHz UHF voice channel frequencies.

No Buck Rogers communication technology gadgets yet.


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