READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 2042.483 367.412 -419.880 2.924667e-02 7.256171e-03 -7.256171e-03 1.000000 4.825522e-04 7.114844e-05 1.385412 17 0.379910 787.292200 296.709909 4.030592