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A comment on Simple streetlight hack could protect astronomy from urban light pollution. Parent comment

Re:Simple streetlight hack could protect astronomy from urba... by da768 on Saturday November 18, 2023 @11:19AM (#38321146)
Why not, just sync them to the AC power grid they're all powered from.
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Re:Simple streetlight hack could protect astronomy from urba... by jcalvinowens on Saturday November 18, 2023 @12:01PM (#38321634)
Different types of transformers introduce different phase shifts.
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Re:Simple streetlight hack could protect astronomy from urba... by da768 on Sunday November 19, 2023 @08:36AM (#38332521)
Couldn't you still account for offset?
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Re:Simple streetlight hack could protect astronomy from urba... by jcalvinowens on Sunday November 19, 2023 @01:04PM (#38335591)
Maybe? I guess you could "calibrate" it with GPS. I don't know how consistent the phase at a specific location really is in practice on long timescales.
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