READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 74922.517 8733.458 -3882.220 3.423778e-03 1.172217e-03 -9.656968e-04 0.388149 1.619364e-04 1.094265e-05 1.495977 12 0.792963 4896.756900 209.150997 3.545397