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A comment on A method for improving Milky Way exposures in light pollution. Parent comment

Re:A method for improving Milky Way exposures in light pollu... by isatty on Tuesday September 12, 2017 @02:54AM (#15225319)
Not a power engineer, but can't most of the power conditioning devices used in buildings mess with the phase of the incoming AC signal? GPS clock synchronization is guaranteed to be globally accurate.
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Re:A method for improving Milky Way exposures in light pollu... by sandl on Tuesday September 12, 2017 @05:11AM (#15225868)
They may cause harmonics, but the underlying sine wave is solid like a rock (well, at least concerning the ENTSO-E over here in Europe, other grids may be more fragile).
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