READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 212.421 1875.443 -130.397 1.579645e-02 3.226933e-03 -3.226933e-03 1.000000 2.601181e-04 3.415518e-05 1.294421 25 0.521755 2005.840000 357.295431 4.895189