READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 178817.121 5697.749 -12876.666 4.496847e-03 1.532016e-03 -1.251430e-03 0.254450 3.521567e-05 4.624044e-06 1.961719 11 0.166438 4726.260500 495.714550 3.593367