READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 5946.634 3283.664 -2353.857 2.164450e-02 4.590634e-03 -4.590634e-03 0.266851 1.296803e-03 8.532338e-05 1.353961 26 1.950885 1504.380000 187.358552 4.714926