READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 6267.815 33177.384 -2977.821 6.217206e-03 1.220200e-03 -1.220200e-03 0.162830 2.645586e-04 1.529982e-05 1.333754 29 1.557493 5887.140400 304.672433 5.095233