READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 35421.290 35744.759 -16995.686 3.783584e-03 1.448989e-03 -1.171392e-03 0.069314 2.075696e-04 1.418917e-05 1.496746 10 0.758801 3655.643400 178.158925 3.229990