READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 22310.400 110416.045 -22194.530 1.044754e-03 4.555547e-04 -3.587972e-04 0.096937 4.945081e-05 2.705828e-06 1.823769 8 0.635687 12854.927099 211.720265 2.911823