READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 12894.712 27090.846 -8774.367 1.193491e-02 7.210112e-03 -5.129522e-03 0.015869 3.390304e-05 1.516190e-05 1.706314 4 0.019296 569.157100 461.290019 2.326710