READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 318475.362 25044.310 -8485.735 2.795236e-03 1.195405e-03 -9.421725e-04 0.148957 9.894861e-05 6.996723e-06 1.859968 8 0.494203 4994.541599 214.786255 2.966798