The first four attached plots shows the regression of the PR3 damping signals from C/DHARD dofs (residual motion CHARD_P_IN1 etc).

The last two plots shows the regression of the HAM2 ISI signals from PR3 damping signals - the coherence and spectra.

The data is from one hours low noise H1 lock on March 27, 2025 6:00 UTC.

The corresponding results for L1 are in 76513