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Consequences of ticket office closures, part 94
Jarle Hammen Knudsen wrote:
On Thu, 29 Oct 2015 00:31:54 +0000 (UTC), Recliner wrote: I don't think the gateline has its own clock. The system uses an accurate clock, presumably synced to an Internet clock. It's noticeable that most station clocks are accurate to the second these days, just like radio-controlled watches. How can the gate write the time of touching in or out to the Oyster card in a timely manner without having a clock? It certainly has access to an accurate clock, but whether that's in the gate itself, periodically corrected, or accessed on-line I don't know. |
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