READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 8266.469 4381.295 -1651.043 2.316829e-02 5.325843e-03 -5.325843e-03 0.263933 2.376290e-05 1.371952e-05 1.945298 19 0.037834 1592.135500 868.098791 4.350165