READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 38886.092 10673.456 -6863.698 4.922252e-03 1.233642e-03 -1.233642e-03 0.297379 3.078010e-04 1.469054e-05 1.475758 19 1.605239 5215.184000 227.044522 3.990016