On 17 Nov 2011, at 21:53, Clive D.W. Feather wrote: > Paul J. Ste. Marie said: >> The dispatchers and tower operators at the time had >> huge paper sheets and the time each train passed a waypoint on the track >> was logged. I don't remember if it was to the second on the paper forms, >> but I wouldn't be surprised. The dispatch system certainly did so. The >> waypoints were typically 1/4 to 1/2 mile apart, at towers, >> interlockings, and the like. > > Hmm. In the UK the working timetable (not the public one) is written to a > precision of half a minute.
I've seen claims that the Swiss one is 10 seconds, but "Swiss Railways" have become one of those things that people get irrationally excited about, so I wouldn't be surprised if it were wishful thinking. ian _______________________________________________ LEAPSECS mailing list [email protected] http://six.pairlist.net/mailman/listinfo/leapsecs
