READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 79563.319 22097.328 -46640.338 1.638747e-03 8.781432e-04 -6.665722e-04 0.071311 1.432338e-04 8.396513e-06 1.516188 6 0.702099 4901.771500 3.861581 2.458469