As run 66, optimisation of beam completed

DSSD4 now working and thresholds to 0x30 (480keV), switched to LEC

Tape service at 1.7MB/s

Did NOT reset the root histograms!!

11:30 All checks OK

13:48 All checks OK

15:15, fULL CHECK, STATUS - Okay. Target density ~2E12

16:15 All Checks OK. Target 2.9e12

17:30, Full check! status - okay. target 2.3e12

18:30 All Checks Ok

19:30 All Checks OK

21:30: All System Checks OK but targte density started dropping around 8:20. Tried to move the nozel but any x direction made it drop alot and y did nothing. Values hovering steadily between 1.1e12 to 1.4e12. Will try and move nozel again in 1 hour.

22:40: Full check, Status -okay! thickness 1.4E12. For more details look at the attchments

00:55: Full check. All looks okay!

03:55: Full check. All looks good!

06:28 Checks OK. Target density has dropped and is ~9e11 at/cm2. It will require some attention this afternoon

07:00 Run stopped. Final histogram attached. Number of counts somewhat obscured by background level.