READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 76421.514 276.316 -666.428 1.089856e-02 5.258498e-03 -3.991569e-03 1.000000 1.232843e-04 3.717161e-05 1.746186 6 0.116226 942.744800 167.899931 2.730394