READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 30219.540 16027.149 -30146.398 9.035985e-04 3.726024e-04 -2.934635e-04 0.304035 1.514224e-05 1.412022e-06 1.629004 8 0.212572 14038.372700 392.858292 3.079083