READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 174338.159 306.223 -328.130 3.043567e-02 8.093794e-03 -8.093794e-03 0.976276 7.017464e-04 9.135960e-05 1.294087 15 0.434594 619.303100 257.433565 3.760370 175169.351 550.669 -524.969 2.253924e-02 5.352013e-03 -5.352013e-03 0.983677 6.056642e-04 6.493402e-05 1.298988 19 0.640842 1058.080600 267.215543 4.211357