READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 33263.097 3704.063 -3754.455 8.632257e-03 2.571351e-03 -2.149777e-03 0.459539 5.808910e-05 5.838174e-06 2.143822 14 0.199099 3427.479100 689.692623 4.015420