READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 68572.341 843.039 -739.072 6.949470e-03 2.932293e-03 -2.309489e-03 0.999997 2.464152e-04 2.212874e-05 1.444783 8 0.389855 1582.106300 217.370479 3.009095