J. Kissel Continuing on the campaign of gathering open loop gain (and loop suppression & closed loop gain TFs), I measured that for H1SUSTMSX M1 damping loops this morning -- see /ligo/svncommon/SusSVN/sus/trunk/TMTS/H1/TMSX/SAGM1/Data/ 2025-07-08_1525_H1SUSTMSX_M1_WhiteNoise_L_0p02to50Hz_OpenLoopGainTF.xml 2025-07-08_1525_H1SUSTMSX_M1_WhiteNoise_P_0p02to50Hz_OpenLoopGainTF.xml 2025-07-08_1525_H1SUSTMSX_M1_WhiteNoise_R_0p02to50Hz_OpenLoopGainTF.xml 2025-07-08_1525_H1SUSTMSX_M1_WhiteNoise_T_0p02to50Hz_OpenLoopGainTF.xml 2025-07-08_1525_H1SUSTMSX_M1_WhiteNoise_V_0p02to50Hz_OpenLoopGainTF.xml 2025-07-08_1525_H1SUSTMSX_M1_WhiteNoise_Y_0p02to50Hz_OpenLoopGainTF.xml SUS was in HEALTH_CHECK state, with alignment offsets and it's companion QUAD's L2/TMS tracking off, but damping loops turned back ON. Data analysis and commentary to come.