READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 90966.847 220.906 -449.594 4.163867e-02 1.473592e-02 -1.191282e-02 0.639446 0.000000e+00 0.000000e+00 1.785251 10 0.000000 428.748300 1000.000000 3.495281