READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 454773.119 509028.895 -208588.797 4.160730e-03 9.545655e-04 -9.545655e-04 0.009762 1.462081e-04 7.652883e-06 1.459147 21 1.024246 7005.396200 372.602179 4.358769 1539994.061 21945.028 -19803.319 4.326829e-03 1.116348e-03 -1.116348e-03 0.123658 1.971390e-04 1.132534e-05 1.397636 17 1.017736 5162.530700 273.353425 3.875879