READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 223721.258 309910.225 -150431.485 2.280514e-03 9.455041e-04 -7.555078e-04 0.015283 1.208304e-04 7.023126e-06 1.968653 9 0.850101 7035.483799 164.940689 3.018519