READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 74710.115 36658.095 -4313.323 1.684154e-03 9.979051e-04 -7.370545e-04 0.110827 1.229682e-04 8.090714e-06 1.721584 5 0.558364 4540.720300 3.574926 2.284979