READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 197729.780 615290.013 -136518.173 4.226929e-03 1.517222e-03 -1.239346e-03 0.004642 2.055234e-04 1.382500e-05 1.434665 11 0.717310 3490.161600 213.106189 3.410614