READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 12261.895 894.127 -1101.693 5.671213e-03 2.698722e-03 -2.048519e-03 0.998739 1.722964e-05 5.448490e-06 1.894812 6 0.034344 1993.303500 549.298764 2.768445