READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 30691.507 6153.028 -5276.421 2.768218e-02 6.667942e-03 -6.667942e-03 0.081826 4.118479e-04 5.657166e-05 1.469728 18 0.385170 935.222900 332.938790 4.151533