READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 13434.327 26606.587 -9701.967 2.178327e-03 9.898685e-04 -7.801767e-04 0.194322 1.327077e-04 7.155122e-06 2.175719 8 0.936325 7055.542200 4.468129 2.792095