READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 100215.373 666.034 -763.127 1.856898e-02 4.525137e-03 -4.525137e-03 1.000000 4.116270e-04 4.464722e-05 1.524149 18 0.588281 1429.161000 272.876473 4.103517