| Status | Run 74 in progress. First cooldown after IVC rebuild. |
| | Tower thermometer is reading high, probably this is a thermometer problem and the actual temperature is much lower. High noise in some of the charge channels. |
| | Setup: DIB1/2+acc → SL 41/43 → 3.2 MHz filters → cables 2/3 → nothing/Source_mover_board+HV_diverter_board → DCRC50(3)/55(1). Kepco 40V supplye → HV BNC. Lead shield erected, 4 walls. Currently both DCRCs are on. |
| | Position of Am source: y = 0.0 mm |
| 1000 | Tower/MC/Coldplate = 122.6/35.3/189.5 mK, Still = 1.35 K / 0.075 mbar / 0 mW, G1/G2= 297.1/270.3 mbar, 1K Pot = 1.59 K / 12±1 mbar |
| 1015 | Begin LHe transfer @ MB = 34.3% |
| 1040 | Seems we ran out of LN2 after letting it fill for ~20min, not sure how full the cold trap dewar is (cant open it since its frozen). |
| 1043 | End LHe transfer @ MB = 89.3% |