READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 32099.245 39066.809 -13673.640 5.897948e-03 1.987217e-03 -1.637111e-03 0.069314 1.673758e-04 1.276229e-05 1.893291 12 0.611866 3655.643400 244.095753 3.602657