READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 72155.277 3396.658 -1895.015 9.356287e-03 4.536019e-03 -3.512722e-03 0.190949 7.379451e-04 7.822202e-05 1.511670 7 0.745651 1010.441900 4.309727 2.663543