READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 49443.237 20791.483 -580.941 4.433893e-03 2.731433e-03 -1.943235e-03 0.067573 6.660900e-05 1.569989e-05 1.640228 4 0.096197 1444.204800 4.615168 2.281707