READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 5283.724 5119.743 -1246.549 7.361071e-03 3.161498e-03 -2.491773e-03 0.356425 2.318165e-04 2.152362e-05 2.234821 8 0.526016 2269.106500 153.031882 2.954150