READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 107992.636 132854.274 -63300.185 1.499301e-03 5.587429e-04 -4.603040e-04 0.048266 1.800161e-04 7.282671e-06 1.378664 12 1.704314 9467.564800 149.322874 3.257197