Titles: GPCA ============ Contact: J. Cameron, Oxford. Revision History:- ================ 3.02 J. Cameron First version The bank number specifies which crate the calibrations are for. The bank numbers run from 0-18. Titles Files ------------ These are of the form gpca_yyyymmdd_hh.dat Verification ------------ Description ----------- Holds PCA gain information. Data Words ---------- Data types: B(bit), I, F, D(double), H(hollerith 4 char) The banks consist of a 10 word integer header followed by the 96 integer board IDs followed by the real channel data. No mnemonics have been defined. For GPCA version 1: ------------------- Header: Word Type Description ---- ---- ----------- +1 I Crate number (duplicate of bank number) +2 I Version number of bank. +3 I Number of words in the header. +4 I Number of words per tube. +5 I =1 If DQID present =0 otherwise +6 I offset to board data +7 I =1 If DQCR and DQCH present =0 otherwise +8 I Spare. +9 I Spare. +10 I Spare. Board IDs: offset = 10 + 6*icard The board IDs are the same as in DQID Data: offset = icons(lnk+3)+icons(lnk+4)*(icard*32+ichan) Word Type Description ---- ---- ----------- offset+1 F 100*tube_type + 10*status + mask where tube_type can be 1 - Normal PMT 2 - OWL 3 - Low Gain 4 - Butt 5 - Neck 6 - Calibration 10 - Spare 11 - Invalid status can be 0 - fine 1 - offline 2 - zero occupancy 3 - low occupancy 4 - low ECA and mask is 0 +1 - QHS bad +2 - QHL bad +3 - QLX bad offset+2 F QHS Threshold offset+3 F QHS Peak offset+4 F QHS High half point offset+5 F QHL Threshold offset+6 F QHL Peak offset+7 F QHL High half point next tube...