\begin{table}%t1
\caption{\label{ta:obs}Observation information.}
%\centering
 \small \begin{tabular}{l c l}
\hline\hline \noalign{\smallskip}
Program & Date & Participating antennas\tablefootmark{a}%\tablefootmark{a}
\\
\hline
EB32A   & 10 Jun. 2006 & Jb~Wb~Ef~Mc~Tr~Nt~Hh~On~Da\\
%$\surd$&$\surd$&$\surd$&$\surd$&$\surd$&$\surd$ &$\surd$&$\surd$ &$\surd$&...&... \\ 
EB32B   & 18 Mar. 2007 &Jb~Wb~Ef~Mc~Tr~Nt~Hh~On~Cm\\%$\surd$&$\surd$&$\surd$&$\surd$&$\surd$&$\surd$ &$\surd$&$\surd$ & ...   &$\surd$&... \\
EB32C   & 17 Jun. 2007 &Jb~Wb~Ef~Mc~Tr~Nt~Hh~On~Cm\\%$\surd$&$\surd$&$\surd$&$\surd$&$\surd$&$\surd$ &$\surd$&$\surd$ & ...&$\surd$&... \\
GB63A   & 31 Oct. 2007 &Jb~Wb~Ef~Mc~Tr~Nt~Hh~On~Y1\\%$\surd$&$\surd$&$\surd$&$\surd$&$\surd$&$\surd$ &$\surd$&$\surd$ &...&...&$\surd$ \\
GB63B   & 16 Mar. 2008 &Jb~Wb~Ef~Mc~Tr~Nt~Hh~On~Y1\\%$\surd$&$\surd$&$\surd$&$\surd$&$\surd$&$\surd$ &$\surd$&$\surd$ &...&...&$\surd$ \\
\hline\\[-2mm]
\end{tabular}
% \tablefoot{{\tablefoottext{(a)} The full names of the antennas are: Jb -- Jodrell Bank; Wb --  Westerbork (in single dish mode); Ef -- Effelsberg; Mc -- Medicina; Tr -- Torun; Nt -- Noto; Hh -- Hartebeesthoek; On -- Onsala; Da -- Darnhall; Cm -- Cambridge; Y1 -- single EVLA antenna.}}
 \tablefoot{\tablefoottext{a}{The full names of the antennas are: Jb -- Jodrell Bank; Wb --  Westerbork (in single dish mode); Ef -- Effelsberg; Mc -- Medicina; Tr -- Torun; Nt -- Noto; Hh -- Hartebeesthoek; On -- Onsala; Da -- Darnhall; Cm -- Cambridge; Y1 -- single EVLA antenna.}}
\vspace*{8mm}
\end{table}