READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 149886.055 4236.630 -3196.497 8.751281e-03 2.223440e-03 -2.223440e-03 0.351482 9.792332e-05 1.205353e-05 1.452199 16 0.255835 2612.606599 499.955633 3.935919