\begin{table}%t5
\caption{\label{upper limits with theta}Upper limits in mK as a function of angular size on the sky from the spectral surveys observations during 2006/07 (deep searches are not included) using~1,~4 and~16~MHz channel spacings.}
%\centering
\par
\begin{tabular}{ccccccccc}
\hline \hline  \noalign{\smallskip}
 	&& \multicolumn{6}{c}{1~MHz channel spacing}\\  
Position& 2--5\arcmin& Peak intensity &  5--10\arcmin& Peak intensity &10--15\arcmin	&Peak intensity &	15--30\arcmin &Peak intensity     \\
&1$\sigma$  [mK] &  [$\sigma$] &1$\sigma$ [mK]&   [$\sigma$]&1$\sigma$   [mK]  & [$\sigma$]& 1$\sigma$ [mK]  &  [$\sigma$]\\
\hline
A&16 (23)&3.0 (3.3)&  21 (31) & 3.2 (3.4)&  21 (31) & 3.2 (3.4)&  21 (31) & 3.2 (3.4)    \\
B& 17 (26)&  3.1 (2.9)&23 (34)& 3.3 (3.2)&23 (34)& 3.3 (3.2) &--&--\\
C&   19 (26)&  3.3 (3.0)& 19 (26)&  3.3 (3.0)      &25 (35)&3.1 (3.2)&--&--\\
D&15 (25)&3.1 (2.9)&  15 (25) & 3.1 (2.9) &  20 (33)  &   3.2 (3.1)     & 20 (33)  &   3.2 (3.1)  \\
\hline
&&  \multicolumn{6}{c}{4 MHz channel spacing}\\
A&10 (15) &3.0 (2.8)&  13 (20) & 3.0 (2.9)  &13 (20) & 3.0 (2.9)      &13 (20) & 3.0 (2.9)    \\
B&11 (17) &2.7 (3.0)&15 (23)&2.9 (3.1)&15 (23)&2.9 (3.1)  & --&--\\
C&12 (16) &3.0 (2.9)&12 (16)&3.0 (2.9)&16 (22)&2.9 (3.0) & --&--\\
D&10 (15) &2.9 (3.1)&  10 (15) & 2.9 (3.1)  &       13 (20)      &       3.1 (3.0)       &     13 (20)    &    3.1 (3.0)  \\
\hline
&&  \multicolumn{6}{c}{ 16 MHz channel spacing}\\
A&5 (8)&2.7 (2.8)& 6 (11)&3.0 (2.9)&    6 (11) &3.0 (2.9) &6 (11) &3.0 (2.9)      \\
B&6 (9) & 2.8 (3.0)&   8 (12)&  2.7 (3.1) &   8 (12)&  2.7 (3.1) &--&--\\
C&6 (11) & 2.7 (2.8)& 6 (11) & 2.7 (2.8)&      8 (14)&  3.0 (2.9) &--&--\\
D&5 (8)&2.9 (3.0)& 5 (8)&2.9 (3.0)&    7 (11) &2.8 (3.1) & 7 (11) &2.8 (3.1)    \\
\hline
\end{tabular}
\tablefoot {The limits are for the data taken with the AOS(AC) and for frequency ranges 542.0$-$547.5 (486.5$-$492)~GHz.}
\end{table}