READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 168357.458 166.353 -287.468 1.837275e-02 9.170229e-03 -6.955167e-03 1.000000 6.821078e-04 1.028316e-04 1.465368 6 0.309555 453.821300 4.866098 2.641597