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Charles, you are right about rebuilt CRTs being installed in airport monitors; my company used to do that all the time in the 80's and maybe early 90's. (I have replaced CRTs in LAX!) Those CRTs look very unusual, though, not like any I have replaced in information-display monitors. If that show is displaying a current operation somewhere, I wonder if it could be radar tubes or something similar. Airport displays have always used regular P4 wide-deflection CRTs, and color CRTs similar to consumer TV ones more recently.
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Chris
Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did."
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