READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 152222.151 5434.154 -5532.593 3.093092e-03 1.539769e-03 -1.167839e-03 0.260178 1.032367e-04 1.070514e-05 1.546984 6 0.294566 2853.307399 4.922484 2.648561