READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 23101.972 26558.149 -23016.004 2.105045e-03 1.209379e-03 -8.924511e-04 0.068532 1.226748e-04 8.718115e-06 1.560476 5 0.416774 3397.391500 3.913875 2.358724