READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 59916.977 13167.918 -9977.084 1.875876e-03 9.847483e-04 -7.468830e-04 0.194236 1.311629e-04 8.705587e-06 1.558811 6 0.589654 4495.588900 4.088690 2.511606