READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 52143.296 8984.045 -12535.499 2.867788e-03 1.556423e-03 -1.181434e-03 0.142145 2.515589e-04 1.744247e-05 1.676982 6 0.769495 3058.906000 3.739161 2.427378