READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 19705.442 42542.243 -8993.615 1.008459e-02 6.233215e-03 -4.434524e-03 0.016104 1.307848e-04 2.094233e-05 2.150955 4 0.108540 829.916300 4.515401 2.274109