READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 65739.993 357845.019 -38385.374 2.724611e-03 7.506693e-04 -7.506693e-04 0.021097 1.770312e-04 7.611165e-06 1.568576 16 1.479863 8359.338200 228.216835 3.629575