READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 53494.921 15270.778 -8401.709 4.2739e-03 0.0000e+00 0.0000e+00 0.2067 1.2339e-04 8.1361e-06 1.6281 4 0.6039 4894.2496 2.8600 inf