READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 66391.578 9759.948 -8770.196 9.350315e-03 3.407555e-03 -2.754737e-03 0.095122 1.638688e-04 1.699240e-05 1.697164 10 0.288840 1762.631900 324.231074 3.394268