READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 111583.316 4984.253 -7965.279 1.304169e-03 9.052027e-04 -6.436161e-04 0.385499 1.070923e-04 6.971115e-06 1.878920 4 0.534608 4992.034300 2.995062 2.026316