READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 9462.964 3693.058 -4062.954 6.250829e-03 1.575486e-03 -1.575486e-03 0.549239 3.039469e-05 5.744056e-06 1.677823 16 0.129478 4259.902700 648.593891 3.967556