READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 44688.800 823.271 -335.435 3.548347e-02 1.703589e-02 -1.342704e-02 0.276976 4.095208e-03 3.178498e-04 1.703241 8 1.314293 320.934400 3.928521 2.642688