READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 957.724 39985.794 -806.521 9.745489e-04 4.736023e-04 -3.670379e-04 0.255756 7.314997e-05 3.311344e-06 1.630166 7 0.763165 10432.875300 4.276927 2.655172