READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 43684.864 6694.112 -7298.297 4.466841e-03 1.220957e-03 -1.220957e-03 0.313045 1.893852e-04 1.165585e-05 1.380754 15 0.829555 4380.253100 277.549352 3.658475