READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 46951.571 5032.862 -5184.961 4.227854e-03 2.448880e-03 -1.808747e-03 0.164408 2.716472e-04 2.533123e-05 1.563014 5 0.456338 1679.891000 3.810713 2.337449