\begin{table}%T1
%\centering
\par
\caption{The fractions of radio sources in different $\alpha^{1400}_{327}$
 ranks and flux density bins at 327 MHz. The radio sources are from the WENSS
and NVSS catalogs.}\label{tab1}
\small{
\begin{tabular}{cllll}
\hline\hline
$S_{327}$&$-2.0 \le \alpha$&
$-1.5 \le \alpha$& $-1.0 \le \alpha$&$-0.5 \le \alpha$\\
(Jy)&${<}{-}1.5$&${<}{-}1.0$& ${<}{-}0.5$&$ \le $0.0 \\
\hline
$\rm .038^{.023}_{.056}$&  .02  & .22&  .65& .11\\
$\rm .074^{.056}_{.092}$ &  .01  & .24&  .68& .06\\
$\rm .110^{.092}_{.128}$ &  .01  & .26&  .68& .05\\
$\rm .146^{.128}_{.164}$ &  .01  & .27&  .68& .04\\
$\rm .182^{.164}_{.200}$ &  .01  & .27&  .67& .05\\
$\rm 0.22^{.200}_{.240}$ &  .01  & .28&  .66& .04\\
$\rm 0.27^{.240}_{.290}$ &  .01 & .28&  .66& .04\\
$\rm 0.32^{.290}_{.350}$ &  .01 & .28&  .66& .04\\
$\rm 0.39^{.350}_{.430}$ &  .01  & .29&  .65& .04\\
$\rm 0.48^{.430}_{.520}$&  .01  & .30&  .64& .04\\
$\rm 0.58^{.520}_{.630}$ &  .01 & .30&  .64& .04\\
$\rm 0.70^{.630}_{.760}$ &  .01 & .32&  .63& .03\\
$\rm 0.84^{.760}_{.920}$ &  .01  & .32&  .63& .03\\
$\rm 1.03^{0.92}_{1.13}$ &  .01 & .30&  .64& .04\\
$\rm 1.30^{1.13}_{1.46}$ &  .01  & .31&  .64& .03\\
$\rm 1.71^{1.46}_{1.95}$  &  .01 & .31&  .61& .05\\
$\rm 2.33^{1.95}_{2.71}$ &  .01  & .32&  .60& .04\\
$\rm 3.41^{2.71}_{4.10}$&  .01  & .33&  .59& .04\\
$\rm 5.55^{4.10}_{7.00}$ &  .03  & .35&  .57& .04\\
%13.50& .05  &  .008 & .28&  .58& .08&.008\\
\hline
\end{tabular}
}
\end{table}