READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 39686.746 345.155 -356.889 1.043375e-02 6.526180e-03 -4.642950e-03 1.000000 2.204305e-04 4.093292e-05 1.905058 4 0.154752 702.044000 4.211272 2.247224