READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 235996.686 17414.472 -24052.495 1.795046e-03 5.931653e-04 -5.931653e-04 0.314841 2.509872e-04 6.429233e-06 1.999043 15 3.276767 13055.511100 139.667189 3.026215