READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 312140.686 2845.356 -4039.703 2.446023e-03 1.418273e-03 -1.046603e-03 0.434449 1.533803e-04 1.265059e-05 1.611223 5 0.458792 2991.208900 3.804641 2.337108