READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 183852.510 16794.068 -24143.344 2.795067e-03 1.091081e-03 -8.820523e-04 0.119432 1.910093e-04 9.785704e-06 1.507361 10 0.933889 4889.235000 189.490754 3.168822