READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 45478.260 15649.080 -5870.462 2.418854e-03 1.381828e-03 -1.019708e-03 0.142146 1.277701e-04 9.197092e-06 1.605348 5 0.390837 3058.906000 3.986039 2.372105