READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 13113.831 27313.818 -6498.405 4.086941e-03 1.759213e-03 -1.421285e-03 0.104631 5.018743e-04 3.273867e-05 1.758120 10 1.775531 3537.800300 4.250659 2.875524