READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 137109.981 10265.324 -13098.977 3.327924e-03 1.288241e-03 -1.029373e-03 0.211514 5.487093e-05 3.633916e-06 1.884091 9 0.271166 4941.888300 486.058370 3.232963