READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 78996.540 501.388 -486.488 5.482132e-03 3.641129e-03 -2.590425e-03 1.000000 3.835633e-04 4.552058e-05 1.495628 4 0.378913 987.876200 3.360125 2.116306