READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 26154.916 1123.652 -766.852 2.121777e-02 6.381470e-03 -5.332376e-03 1.000000 1.735256e-04 1.916270e-05 2.933900 14 0.328051 1890.504200 377.394999 3.979045