READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 100082.473 4695.309 -5744.366 5.225283e-03 2.316483e-03 -1.850992e-03 0.266109 4.959635e-04 2.768198e-05 1.904526 9 1.377830 2778.088400 4.291322 2.822963