READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 8614.080 909.920 -800.058 9.024104e-03 3.191894e-03 -2.605734e-03 1.000000 3.285374e-04 3.221575e-05 1.478351 11 0.561792 1709.978600 189.481615 3.463172