READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 124261.837 29387.527 -32655.451 1.528339e-03 8.261290e-04 -6.265781e-04 0.080461 1.494226e-04 8.472978e-06 1.452135 6 0.745923 4992.034300 3.780971 2.439183