\begin{table}%t10
%\centering
\par
\caption{\label{mmspill}Spillover calculations (in \%) of the high frequency channels assuming
theoretical horn beam patterns.}
\begin{tabular}{ccc} 
\hline\hline
\noalign{\smallskip}
Channel & Edge taper Angle & Average Spillover\\
frequency &  (deg) & \%\\
\hline
545~GHz&26&0.3\\
857~GHz&27&0.03\\
\hline
\end{tabular}\vspace*{-2.5mm}
\end{table}