READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 104872.589 12944.743 -15863.791 4.691809e-03 1.513205e-03 -1.255994e-03 0.157530 1.474737e-04 1.144618e-05 1.726740 13 0.669267 4538.213000 237.379594 3.735535