READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 4605.615 36337.905 -4454.413 1.819634e-03 6.576805e-04 -5.418108e-04 0.255756 1.326720e-04 6.005779e-06 1.788246 12 1.384150 10432.875300 169.426512 3.358431