READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 110913.239 5278.108 -12888.755 2.836500e-03 1.233979e-03 -9.718884e-04 0.221652 1.536281e-04 1.083609e-05 1.547460 8 0.618618 4026.723800 169.165995 2.918545