READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 55447.312 12190.298 -11805.291 1.234316e-03 7.903434e-04 -5.622776e-04 0.202711 5.019678e-05 4.830187e-06 1.598486 4 0.244165 4864.161999 3.794167 2.195207