READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 7231.072 33196.577 -615.648 2.695731e-03 1.423754e-03 -1.137907e-03 0.104631 7.367359e-04 3.504295e-05 1.491548 9 2.606424 3537.800300 3.113680 2.369026