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2025-02-28 12:17:27 UTC
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Russ Garrett on Nostr: nprofile1q…8zuq0 the data he's using is actually the official frequency ...

the data he's using is actually the official frequency measurements, which I assume come from a relatively "clean" source:

https://www.neso.energy/data-portal/system-frequency-data

It's also only at 1Hz resolution so I suspect the artifacts it's picking up likely represent differences in balancing/frequency control rather than inverter noise.