READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 6638.078 574.857 -1247.950 4.976432e-03 2.531900e-03 -1.920322e-03 1.000000 2.292878e-04 1.988177e-05 1.625058 6 0.417947 1822.807100 4.515156 2.591458