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9:30 AM Sanha called the beam control room to start the beam. There is a water leakage in the klystrons, and the repair/replacement will take 3-4 hours. Test beam data taking will be postponed until the repair/replacement is complete (probably in the early afternoon).
9:50 AM cosmicRun 051. Testing the current telescope configuration for any random noises. Cyclic trigger set to 100Hz. Almost no random noise is seen after 100s.