User name Mina Kat
Log entry time 00:04:04 on April15,2007
Entry number 199080
Continuing Q**2= 55 fm-2 kinematic point.
Frequent beam trips.
18:10 Called MCC: problem not current related, but due to a cavity
MCC is working on problem
18:54 MCC rew Chief called to inform us that the attenuator is rising, It will be maxed out around midnight. At approx. that time
the max current we can get will be ~80uA. MCC will do a spot move tomorrow morning. That will get us to the current value we are getting now (~95uA).
19:46 VESDA Beam Way alert, reset and now OK
20:20 Left Q1 trip, Powered on, polarity negative, OK now
Frequent beam trips again. Ended run 2476
21:51 MCC Crew Chief called to tell us they will be checking steering in the injector to fix problem. No beam
22:00 Beam back at ~91uA
23:27 Left Q1 trip, ended run, powered on, OK now
2466-2472, 1.4M at a current of 95uA
2473 0.35M Left Q1 trip, ended run
2472-2475, 1.4M at a current of 95uA
2476 0.6M, ended run due to frequent beam trips
2477-2478, 1.4M at a current of 90uA
2479, 0.84 Left Q1 trip, ended run
2480 in progress