READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 82015.754 657.646 -332.737 1.154455e-02 4.602834e-03 -3.677908e-03 1.000000 5.305150e-04 6.580228e-05 1.349089 9 0.525413 990.383500 130.039166 3.138889