\begin{table}%t3
\caption{\label{2004 table noise}Upper limits from observations during 2004 using~1,~4 and~16~MHz channel spacings.}
\par
%\centering
\par
\begin{tabular}{ccc}
\hline \hline      \noalign{\smallskip}
  \multicolumn{3}{c}{1~MHz channel spacing}\\
Position& 1$\sigma$ & Peak Intensity     \\
& [mK]& [$\sigma$]\\
\hline     
HotSpot 1&  37 (88)    & 3.8 (4.0) \\
HotSpot 2&  40 (83)&3.6 (3.9) \\
\hline    
  \multicolumn{3}{c}{4 MHz channel spacing}\\ 
HotSpot 1&  22 (46)  & 3.1 (3.3) \\
HotSpot 2& 24 (44)& 3.2 (3.4) \\
\hline
  \multicolumn{3}{c}{16 MHz channel spacing}\\ 
HotSpot 1&  14 (27) & 2.9 (3.1)  \\
HotSpot 2& 13 (25) & 3.0 (3.2) \\
\hline
\end{tabular}
\tablefoot {The limits are for the data observed with the AOS(AC) and for frequencies between 547$-$563 (563$-$578)~GHz.}
\end{table}