\begin{table}%t6
\caption{\label{TabFlightPredUncert}Typical uncertainties in beam characteristics obtained from the ground.} 
\par
%\centering
\par
\begin{tabular}{p{1.0cm}p{0.8cm}p{1.2cm}p{1.2cm}p{1.2cm}p{1.2cm}}
\hline\hline \noalign{\smallskip}                 
Freq. (GHz)& Horn No.\tablefootmark{a} & {\it FWHM} (arcmin)\tablefootmark{b} & Ellipticity\tablefootmark{c}& Peak gain (\%)\tablefootmark{d} &
$X$-$Y$ Mismatch (\%)\tablefootmark{e} \\
\hline                         
30 & 28 & --0.1 & 0.34 &  0.34& 0.02 \\
44 & 24  & --0.44 & 0.84 & 1.14 & --0.02 \\
44 & 26  & 0.24 & --0.58 & --0.58 & 0.11 \\
70 & 23 & --0.96 &  0.70 & 2.84 & 0.10 \\
100 & 2  & --0.26 & 1.46 & 1.37 & 0.05 \\
143 & 2 & --1.22 & --3.35 & 2.40 & 0.10 \\
217 & 5 & --0.15 & --0.81 & 3.95 & --0.01 \\
353 & 6 & --4.8 & 2.02 & 10.3 & 0.36 \\
\hline                                    
\end{tabular}
\tablefoot {\tablefoottext{a}{The selected horns can be identified in Fig.~\ref{FigFocalPlaneBeams}. At 44~GHz two horns are included because of their very different behaviours due to their location in
the focal plane;}
\tablefoottext{b}{100~$\times$ (best-worst)/best, average of $X$ and $Y$~detectors;}
\tablefoottext{c}{100~$\times$ (best-worst)/best, average of $X$ and $Y$~detectors;}
\tablefoottext{d}{100~$\times$ (best-worst)/best, average of $X$ and $Y$~detectors;}
\tablefoottext{e}{best-worst, \%~power integrated within the 3~dB~contour.}}
\end{table}