READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 44913.504 4649.389 -7227.939 6.112277e-03 2.970374e-03 -2.252883e-03 0.130249 1.005608e-04 1.653209e-05 1.618022 6 0.155568 1547.004100 228.519385 2.713092