READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 40374.603 9188.292 -2689.038 4.252473e-03 2.637235e-03 -1.876220e-03 0.130248 7.861232e-05 1.512895e-05 1.696388 4 0.121614 1547.004100 4.419562 2.266511