READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 231000.511 10831.118 -6968.603 3.121330e-03 1.134163e-03 -9.264433e-04 0.289189 1.636472e-04 9.977748e-06 1.581710 11 0.842372 5147.486900 197.771880 3.369154