READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 35964.139 25764.749 -20533.043 1.211280e-02 5.297058e-03 -4.105176e-03 0.029082 5.154865e-05 1.215013e-05 2.353040 7 0.069406 1346.420100 423.651548 2.950617