READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 135180.259 845.323 -646.520 2.223236e-02 4.545402e-03 -4.545402e-03 1.000000 7.080510e-04 5.724253e-05 1.329683 26 1.056301 1491.843500 292.091413 4.891176 141826.801 508.986 -441.281 2.661753e-02 6.272586e-03 -6.272586e-03 1.000000 5.277113e-04 6.176394e-05 1.367338 19 0.501467 950.266700 315.178659 4.243470