READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 10557.340 22255.320 -7405.530 9.034281e-03 2.026586e-03 -2.026586e-03 0.109723 4.968035e-04 2.821654e-05 1.375000 23 1.616835 3254.475400 232.855899 4.457881