\begin{table}%t4 \caption{\label{tab:linpolfrac}Polarimetric measurements of SGR 1806-20.} \par %\centering \par \begin{tabular}{c c c c c c c c c c} \hline \hline \noalign{\smallskip} Epoch & Days since & Frequency & $\sqrt{Q^2+U^2}$ & 1 $\sigma$ & Polarization & 1 $\sigma$ & Polarization & 1 $\sigma$ & Reduced\\ (2005) & burst & (MHz) & (${\rm mJy/beam}$) & error (${\rm mJy/beam}$) & fraction ($\%$)& error ($\%$)& angle ($\degr$) & error ($\degr$) & $\chi^2$ \\ \hline Jan. 4 & 7.6 & 350 & 2.68 & 0.81 & 1.44 & 0.46 & 103& 39 & 0.70 \\ Jan. 4 & 7.6 & 1300 & 0.71 & 0.66 & 0.47 & 0.44 & 31 & 26 & 1.57 \tablefootmark{1}\\ Jan. 5 & 8.6 & 850 & 2.22 & 0.28 & 1.41 & 0.20 & 96 & 7 & 0.85 \\ Jan. 7 & 10.5 & 350 & 2.30 & 0.64 & 2.73 & 0.82 & 69 & 38 & 0.33 \\ Jan. 7 & 10.5 & 850 & 1.71 & 0.52 & 1.76 & 0.74 & 44 & 9 & 0.65 \\ Jan. 7 & 10.5 & 1300 & 1.90 & 0.37 & 2.29 & 0.48 & 50 & 7 & 1.06 \\ Jan. 10 & 13.6 & 350 & 1.14 & 0.87 & 1.46 & 1.13 & 36 & 47 & 0.79 \\ Jan. 10 & 13.6 & 1300 & 1.31 & 0.40 & 3.65 & 1.38 & 69 & 12 & 1.28 \\ \hline \end{tabular} \tablefoot{\tablefoottext{1}{Poor fit.}} \vspace*{-1.5mm} \end{table}