READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 49954.724 12981.656 -16566.749 2.087054e-03 9.789322e-04 -7.586644e-04 0.168011 1.084225e-04 7.244286e-06 1.603386 7 0.538259 4964.454000 4.754604 2.750958