READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 130490.652 83331.132 -46900.252 1.445625e-03 6.866720e-04 -5.408264e-04 0.051790 1.838324e-04 8.188547e-06 1.442340 8 1.239883 6744.637000 4.023879 2.672993