READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 45063.035 637.365 -538.559 1.229932e-02 4.386928e-03 -3.581312e-03 1.000000 5.516392e-04 6.286512e-05 1.397262 11 0.648686 1175.923700 140.025329 3.434307