¥The
stability of the timing system has been studied by running the time calibrator
overnight:
¥
¥Start: 11/18/2002 18:34:49
¥
¥Stop:
11/19/2002 08:26:58
¥
¥We observe slow variations of the time delay as
function of time, but with a higher-frequency (15 - 25 minutes) fine structure
(± 250 ps) superimposed on it.