READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 41463.405 4146.227 -3472.780 2.932373e-02 6.300151e-03 -6.300151e-03 0.158290 1.427833e-03 9.235886e-05 1.519234 25 1.721983 1206.011300 208.985443 4.654449