READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 82921.481 910762.815 -42269.202 5.072866e-03 1.366283e-03 -1.366283e-03 0.005380 1.207397e-04 8.624261e-06 1.808700 15 0.619084 5127.428500 325.210864 3.712895