READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 574.238 22912.592 -505.838 2.751180e-03 6.456796e-04 -6.456796e-04 0.404492 2.124176e-04 7.735792e-06 1.303830 22 2.012142 9472.579400 272.767862 4.260906