READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 955.640 6033.712 -875.883 8.846764e-03 1.975034e-03 -1.975034e-03 0.521084 2.744357e-04 1.854465e-05 1.515933 22 0.988101 3600.482800 314.692184 4.479298