READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 271073.686 26619.873 -13921.740 7.308016e-03 2.475140e-03 -2.039071e-03 0.057825 2.861592e-04 2.716103e-05 1.512258 12 0.670850 2344.325500 177.923413 3.583992