\begin{table}
%\addtolength{\tabcolsep}{-0.4pt}
\centering
\footnotesize
\begin{tabular}{ l S c c S S c }
\toprule
\headrow{Channel Selection \\ Details} & \headrow{NChan} & \headrow{Jacobian} & \headrow{\Rtrue \\ matrix} & \headrow{DFS} & \headrow{DFS \\ per chan} & \headrow{Condition \\Number}\\
\midrule
VAR Bands 1 and 2 & 127 & $\Hmat_{}$ & \Nmat & 65.3 & 0.51 & 157.8 \\
Collard & 269 & $\Hmat_{}$ & \Nmat & 105.5 & 0.39 & 179.8 \\
Full Spectrum & 5116 & $\Hmat_{}$ & \Nmat & 160.9 & 0.03 & 429.4 \\