READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 45861.223 39877.414 -23374.256 1.731664e-02 1.063497e-02 -7.566082e-03 0.005470 2.434473e-04 7.698480e-05 1.530053 4 0.084235 346.007400 4.723021 2.288720