PRDCR_UNIQUE_DCU_REPORTED_PER_S -> the number of dcus that reported at least once in the last second
PRDCR_TOTAL_DCU_REPORTED_PER_S -> the count of dcus that reported in the last second.  In good conditions this should be 16*PRDCR_UNIQUE_DCU_REPORTED_PER_S

PRDCR_TOTAL_DATA_RATE_KB_PER_S -> the total data rate over the last second in kb (excludes < 1kb of headers a second)
PRDCR_TP_DATA_RATE_KB_PER_S -> the data rate of test point data over the last second in kb
PRDCR_MODEL_DATA_RATE_KB_PER_S -> the data rate of the regular model data over the last second in kb

PRDCR_OPEN_TP_COUNT -> the count of test points opened sampled once per second