\begin{table}%t1
\caption{Log of VLA observations. The date, programme and configuration
are listed, as well as the wavelength observed and the integration time
on HD~168112 (in min). Fluxes are given in Table~\ref{table VLA flux results}.}
\label{table VLA observing log}
%\centerline
$${
\begin{tabular}{lllr@{.}lr}
\hline \hline
\multicolumn{1}{c}{Date} & \multicolumn{1}{c}{Progr.} & 
   \multicolumn{1}{c}{Config.} & \multicolumn{2}{c}{$\lambda$} & 
   \multicolumn{1}{c}{Int. time} \\
 & & & \multicolumn{2}{c}{(cm)} & \multicolumn{1}{c}{(min)} \\
\hline
2002-Mar.-24 & AB1048   & \multicolumn{1}{c}{A}        &  3&6 & 11.0 \\
\multicolumn{2}{l}{(JD~$=$ 2~452~358.089-.148)} &           &  6&  & 10.8 \\
       &                                &             & 20&  &  5.0 \\
2002-Sep.-11 & AB1065    & \multicolumn{1}{c}{CnB$^a$} &  3&6 &  8.5 \\
\multicolumn{2}{l}{(JD~$=$ 2~452~528.662-.723)} &           &  6&  &  8.3 \\
       &                                &             & 18&  &  5.0 \\
       &                                &             & 20&  &  4.7 \\
\hline
\end{tabular}}$$
\medskip
$^a$: North arm is in B configuration, East and West arm are in 
C~configuration but with 3~antennas still
in B-type positions.
\end{table}