READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 143820.230 9885.912 -2955.912 1.976006e-03 1.058589e-03 -7.818756e-04 0.350660 1.939845e-05 3.278936e-06 1.811148 5 0.087353 4503.110800 332.713098 2.527263