READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 267224.837 20151.322 -24736.156 2.531401e-03 1.157997e-03 -8.967606e-04 0.098924 8.368744e-05 6.787948e-06 1.695912 7 0.371608 4440.428300 219.909917 2.822828