READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 328696.727 11520.627 -24207.853 3.585035e-03 1.364728e-03 -1.089763e-03 0.124212 2.719508e-05 4.663917e-06 1.791880 9 0.120690 4437.921000 428.991649 3.289737