I've prepared the following plots showing the trending of CAL parameters (pedestals, ped widths, LACs, FLEs, FHEs, ULDs) over 9 month (July 2008 - March 2009).
Pedestals:
Pedestal widths:
LAC thresholds:
FLE thresholds:
FHE thresholds:
ULD thresholds - LEX8:
ULD thresholds - LEX1:
ULD thresholds - HEX8: