READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7839.650 3985.416 -2452.230 4.555489e-03 2.183928e-03 -1.656401e-03 0.379348 3.112789e-05 6.490614e-06 1.877955 6 0.076018 2442.110200 373.734095 2.750232