In the TOF Main GUI, the inner pie wedges are POSITIVE, outer wedges are NEGATIVE

in run-11, there are 49 columns in the HV log files: timestamp followed by 48 V,I values

first column = unix time stamp

next 20 columns are V,I for WEST: 4 columns for W1, then 4 columns for W2, ...., 4 columns for W5

next 20 columns are V,I for EAST: 4 columns for E1, then 4 columns for E2, ...., 4 columns for E5

last 8 columns are for MTD: two 4 column groups: center MTD11+MTD9, and MTD11e+MTD11w 

in each 4 column group: Vneg, Ineg, Vpos, Ipos