Reports until 12:44, Tuesday 01 March 2022
H1 CDS
daniel.sigg@LIGO.ORG - posted 12:44, Tuesday 01 March 2022 - last comment - 11:46, Wednesday 08 March 2023(61988)
Previous/spare timing master

The previous timing master which was running out of range on the voltage feedback to the OCXO has been installed in the H2 building about a week ago. See alogs 61858, 61743, and 61673 for more details about this timing master.

It's OCXO mechanical adjustment has been used ot bring it back into range. Today's readback voltage is at +1.762V. We will keep it running over the next few months to see if it settles.

Comments related to this report
daniel.sigg@LIGO.ORG - 11:02, Tuesday 08 March 2022 (62104)

Todays readback was +1.472V.

daniel.sigg@LIGO.ORG - 14:47, Tuesday 22 March 2022 (62303)

todays read is +1.385V

daniel.sigg@LIGO.ORG - 11:21, Thursday 21 April 2022 (62722)

readout on 4/19/22 was +0.700V

daniel.sigg@LIGO.ORG - 11:07, Monday 13 June 2022 (63560)

readout at 6/13/22 is -0.428V.

daniel.sigg@LIGO.ORG - 14:51, Thursday 10 November 2022 (65710)

readout at 11/10/22 is -3.8V.

daniel.sigg@LIGO.ORG - 11:46, Wednesday 08 March 2023 (67852)

Todays measurement shows the OCXO controls signal has reached the rail at -5V.