READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 13000.056 13060.313 -3356.233 6.296772e-03 2.154321e-03 -1.774775e-03 0.171363 2.790720e-04 2.008804e-05 1.579494 12 0.785083 2813.190600 198.453785 3.547928