READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 17804.636 48964.007 -13234.952 2.873871e-03 1.078651e-03 -8.810982e-04 0.099165 1.891095e-04 1.218162e-05 1.802513 11 1.166420 6167.958000 130.877612 3.261692 210975.996 13436.788 -24881.114 1.485852e-03 1.081213e-03 -7.273434e-04 0.106723 1.065006e-05 1.853937e-06 2.055565 3 0.043552 4089.406300 4.319714 2.042847