READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 141726.879 11976.073 -7178.310 2.895982e-03 1.188067e-03 -9.357274e-04 0.258788 3.486428e-05 3.973154e-06 1.834060 8 0.172820 4956.932100 397.426630 3.094899