READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 91290.730 23883.122 -1279.350 3.214681e-03 1.469458e-03 -1.137957e-03 0.133723 1.090055e-04 1.189347e-05 1.630748 7 0.366781 3364.796600 165.751284 2.824957