READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 8661.981 862.018 -847.960 4.873323e-03 2.448733e-03 -1.857243e-03 1.000000 2.034549e-04 1.939867e-05 1.474394 6 0.347904 1709.978600 4.731833 2.623955