READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 4711637.919 255817.871 -255817.871 1.1095e-03 0.0000e+00 0.0000e+00 0.0219 7.5955e-05 2.8874e-06 2.0976 0 0.8494 11182.5580 0.0000 inf