| Status | Run 74 prep. Main bath is up. Need to do more cryocleaning and prepare room-temperature circuit for HV biasing. |
| | For HV we need to use the D-sub diverter to connect the HV wire to a 400 MOhm ballast resistor and a 1 MOhm test resistor in series. As seen in the Jan 7 run diary the HV is connected to QET A RETURN #1. The diverter board page indicates that this corresponds to Pin 1 - I think this is the same for the d-sub connectors and the side connections. |
| 1610 | Close V12b and remove LN2 Trap 2 from the bath to warm up. |