READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 31453.472 290.401 -283.776 3.531512e-02 1.193076e-02 -1.193076e-02 1.000000 6.139377e-03 2.936862e-04 1.767082 15 3.525087 574.176580 68.048781 2.960006 32302.528 459.304 -558.655 2.237915e-02 7.556481e-03 -7.556481e-03 1.000000 5.966959e-03 2.174481e-04 1.762438 19 6.074119 1017.958920 58.394817 2.961584