READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 9190.886 3456.877 -2575.459 3.163629e-02 7.994616e-03 -7.994616e-03 0.263933 4.277797e-04 4.939574e-05 3.086556 17 0.681083 1592.135500 207.501761 3.957199