READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 137307.989 6449.964 -13296.985 9.028605e-03 1.908253e-03 -1.908253e-03 0.232612 1.785023e-04 1.131213e-05 1.789112 24 0.819928 4593.373600 446.106746 4.731346