READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 74198.947 3667.194 -3802.155 1.362930e-02 2.631372e-03 -2.631372e-03 0.357162 4.134744e-04 3.532550e-05 1.303361 29 1.103053 2667.767200 296.019590 5.179540