READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 64333.275 6608.355 -3301.669 9.894770e-03 3.407764e-03 -2.805767e-03 0.166478 5.186923e-04 3.772931e-05 1.464862 12 0.855740 1649.803400 179.035904 3.526582