Louis is starting Calibration Sensing Function as there has been a lot of IFO changes since Corey's alog 69345 measurements, list below. State of IFO before measurement attached.

• Whitening gain on POP45 reduced by 6dB (alog 69350)
• DARM offset increased from 20mA to 40mA (alog 69358)
• SCRL offset changed to -265 (alog 69373)
• MICH and SRCL ASC changes (alog 69372)