I don't see much difference in the 1-Hz comb in DARM between data taken when the clocks were on (1:30-2:30 UTC - 1st attachment) and when they were off (5:00-7:00 - 2nd attachment). The noise floors are a bit different, but the heights of the 1-Hz lines are comparable.
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zsuzsanna.marka@LIGO.ORG - 08:44, Sunday 17 March 2019 (47596)