READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 21455.818 5128.087 -1588.310 3.416192e-03 1.981361e-03 -1.463437e-03 0.299768 2.296982e-04 1.976928e-05 1.515652 5 0.462466 2013.361900 3.795426 2.334362