READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 74729.381 280.893 -1120.578 8.080945e-03 3.970568e-03 -3.011480e-03 0.980399 1.601087e-04 1.913665e-05 1.920972 6 0.219989 1374.000400 219.824426 2.683380