This file runs24to51.txt at http://www-group.slac.stanford.edu/met/MagMeas/MAGDATA/LCLS/quad/QE-072/ gives a timeline of measurements taken on QE-072 for the study of alternate standardization procedures (to a current less than the 200A previously used). ---------------------------------------------------------------------------- Previously measured: r14: After 3x(ramp to 200A,0A)standardization+wait at 16A, GL=0.89807-0.89810 r15: After 3x(ramp to 25A,0A) " + " GL=0.89728-0.89729 S ------------------------- Timeline 17-Jan-2006: -------------------------- 10:07 Standardized: 3x(ramp to 200A, 0A) 'Usual' 10:39 Ramp to 16A,(15.992A) wait 37min. 11:16 Ramp to 0 11:21-11:48 Run 24: 5 measurements at 16 A GL= 0.897966-0.897917 T At 0 between measurement runs 11:52 Run 25: Standardized 3x(ramp to 25A, 0A) then measure 5x at 16A GL= 0.897923-0.897927 T SO 12:21 ended, ramp to 0 current. At 0 current for 2h11m 14:32 Standardize 3x(ramp to 25A, 0A) 14:35 Ramp to 16A,(15.994A), wait 30 min 15:05 Ramp to 0 15:07-15:34 Run 26: 5 measurements at 16 A GL= 0.897007-0.897021 T At 0 between measurement runs 16:45-17:13 Run 27: Standardized 3x(ramp to 25A, 0A) then measure 5x at 16A GL= 0.897236-0.897250 T S At 0 between measurement runs 17:32-17:49 Run 28 (same as 27) Standardized 3x(ramp to 25A, 0A) then measure 5x at 16A GL= 0.897174-0.897185 T S At 0 between measurement runs 18:10-18:25 Run 29 Measure 5x at 16A GL= 0.896836-0.896843 T At 0 between measurement runs 18:34 Ramp to 16 A (15.995A) 18:35 Ramp to 0 18:36-18:50 Run 30 Measure 5x at 16A GL= 0.896574-0.896585 T At 0 between measurement runs 18:56-19: Run 31 Standardized 3x(ramp to 25A, 0A) then measure GL= 0.897040-0.897047 T S -------------------------------------------------- 18-Jan-2006 (No warmup) 10:06-10:22 Run 32 Standardized 3x(ramp to 25A, 0A) then measure GL= 0.896601-0.896690 T S At 0 between measurement runs 10:32-10:50 Run 33 Standardized 3x(ramp to 66A, 0A) then measure GL= 0.898439-0.898469 T At 0 between measurement runs 11:03-11:20 Run 34 Standardized 3x(ramp to 25A, 0A) then measure GL= 0.897772-0.897790 T S At 0 between measurement runs 11:55-12:13 Run 35 Standardized 3x(ramp to 66A, 0A) then measure GL= 0.898499-0.898509 T At 0 between measurement runs 12:17-12:40 Run 36 Standardized 3x(ramp to 200A,0A) then measure GL= 0.899424-0.899429 T At 0 between measurement runs 14:08-14:09 Run 37 Standardized 3x(ramp to 66A, 0A) then measure GL= 0.898993-0.899004 T At 0 between measurement runs 14:37-14:55 Run 38 Standardized 3x(ramp to 66A, 0A) then measure GL= 0.898857-0.898867 T At 0 between measurement runs 14:59-15:17 Run 39 Standardized 3x(ramp to 66A, 0A) then measure GL= 0.898784-0.898788 T At 0 between measurement runs 15:57-16:27 Run 40 Standardized 3x(ramp to 66A, 0A) then measure with harmonics GL= 0.898719-0.898726 T At 0 between measurement runs 16:27-16:58 Run 41 same as 40 GL= 0.898688-0.898707 T -------------------------------------- 19-Jan-2006 ----------- At 0 between measurement runs is implied; also measurements include harmonics 14:31-15:05 Run 42 Standardized 3x(ramp to 200A, 0A) then measure GL= 0.899120-0.899216 T 15:07-15:41 Run 43 Standardized 3x(ramp to 200A, 0A) then measure GL= 0.899317-0.899343 T 15:53-16:27 Run 44 Standardized 3x(ramp to 200A, 0A) then measure GL= 0.899399-0.899417 T 16:34-17:04 Run 45 Standardized 3x(ramp to 66A, 0A) then measure GL= 0.898994-0.899999 T 17:29-18:03 Run 46 Standardized 3x(ramp to 200A, 0A) then measure GL= 0.899432-0.899440 T 18:11-18:45 Run 47 Standardized 3x(ramp to 200A, 0A) then measure GL= 0.899425-0.899429 T 20-Jan-2006 ------------ (no warmup) 08:49-09:23 Run 48 Standardized 3x(ramp to 200A, 0A) then measure GL= 0.898995-0.899137 mon.increasing 09:47-10:21 Run 49 same GL= 0.899309-0.899321 10:23-10:57 Run 50 same GL= 0.899351-0.899371 mon.incr. 11:05-11:39 Run 51 same GL= 0.899389-0.899392 ----------------------------------- ---------------------------------------------------------------------------