READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 28911.894 12493.370 -10064.402 3.566508e-03 1.990381e-03 -1.468785e-03 0.107482 1.161883e-04 1.107812e-05 1.832813 5 0.281706 2424.559100 4.340576 2.428204