READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 49603.934 2902.104 -2020.903 7.353965e-03 3.014628e-03 -2.374336e-03 0.346835 9.752362e-05 1.523063e-05 1.603049 8 0.166519 1707.471300 301.219801 3.097272