READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 47988.348 5788.686 -1674.544 4.188754e-03 2.112977e-03 -1.602589e-03 0.312101 1.587413e-04 1.499965e-05 1.733000 6 0.369753 2329.281700 4.660702 2.613742