READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 61478.945 431541.390 -39800.967 9.250756e-04 4.946863e-04 -3.755016e-04 0.018693 7.846436e-05 4.206131e-06 1.535227 6 0.691322 8810.652200 3.881979 2.463573