READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 109976.675 383043.660 -88298.686 5.562321e-04 3.955685e-04 -2.814907e-04 0.018693 7.049342e-05 3.800750e-06 1.450360 4 0.621093 8810.652200 2.828608 1.976023