READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 207729.074 39186.777 -33358.714 4.164524e-03 1.791973e-03 -1.412365e-03 0.037223 2.001455e-04 1.487670e-05 1.507469 8 0.540465 2700.362100 185.687674 2.948617