READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 53684.667 3397.160 -3519.166 3.175310e-03 1.780364e-03 -1.313805e-03 0.371220 1.183147e-04 1.201304e-05 1.736058 5 0.303770 2567.475200 4.260760 2.416881