READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 30017.313 1110.258 -276.279 4.728431e-03 2.929386e-03 -2.084066e-03 1.000000 8.502038e-05 1.901114e-05 1.688857 4 0.117884 1386.536900 4.446031 2.268849