READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 111746.667 8493.224 -8743.883 1.408060e-03 9.645072e-04 -6.857827e-04 0.268664 1.055045e-04 6.420796e-06 1.857221 4 0.488589 4630.983100 3.092754 2.053216