READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 47469.623 259.907 -299.221 4.316218e-02 1.037314e-02 -1.037314e-02 1.000000 1.536972e-03 1.521829e-04 1.330338 19 0.859364 559.127900 213.194188 4.160955