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2012/03/29

1110 Begin tower installation procedure.
1510 P2 pressure 673 mbar: not as high as expected, but still indicates possible air leak, and cold traps will need to be cleaned tomorrow. Close condenser line speedivalve. Close gate valve.
Fill N2 cold trap full. Stop recovering mixture and start cryocleaning it through both cold traps.
2230 Tower installation procedure completed. Electrical check yields no problems: Qi feedback & Qo feedback to ground 6.7 nS and 6.4 nS respectively on flexible side coax as expected; blocking capacitor on SCHUBA prevents other checks.