J. Kissel

Took a set of TFs after Rahul and Sheila re-dressed the cables surrounding the H1SUSOPO (LHO:88920). The TFs -- especially Y to Y look a *lot* better with the higher frequency modes re-aligning with historical measurements and the model. There's still some mode splitting in the lowest mode, that I suspect is the transverse/vertical/yaw system not quite yet as soft as it used to was. Rahul mentions they did *not* address the cables that were zip-tied to the H3/V3 spring post so that could be it.

We'll discuss and game plan more with the crew tomorrow.

Data templates saved here:
    /ligo/svncommon/SusSVN/sus/trunk/OPOS/H1/OPO/SAGM1/Data
        2026-01-27_2316UTC_H1SUSOPO_M1_WhiteNoise_L_0p02to50Hz.xml
        2026-01-27_2316UTC_H1SUSOPO_M1_WhiteNoise_P_0p02to50Hz.xml
        2026-01-27_2316UTC_H1SUSOPO_M1_WhiteNoise_R_0p02to50Hz.xml
        2026-01-27_2316UTC_H1SUSOPO_M1_WhiteNoise_T_0p02to50Hz.xml
        2026-01-27_2316UTC_H1SUSOPO_M1_WhiteNoise_V_0p02to50Hz.xml
        2026-01-27_2316UTC_H1SUSOPO_M1_WhiteNoise_Y_0p02to50Hz.xml
Again ran in the configuration where only the DOF being driven was undamped.