\begin{table}%t11
\caption{\label{tab11}Frequencies found in the simulated data set of Subset~1
(Fig.~\ref{sim1}) using a pre-whitening procedure and harmonic
analysis. 
}%\centering
\par
\begin{tabular}{cc}
\hline\hline\noalign{\smallskip}
Frequency   &  Amplitude   \\
(c~d$^{-1}$)        &       (m~s$^{-1}$) \\
\hline 
0.044  &  11.9   \\
0.088  &    5.8       \\
0.132  &  4.5     \\
0.022  &  4.6            \\
\noalign{\smallskip}
0.270   &  6.02               \\
1.1716  &  4.4               \\
\noalign{\smallskip}
$\sigma$ = 1.99~m~s$^{-1}$ \\
\hline
\end{tabular}
\tablefoot{The data was first fit using the rotational harmonics
above the space break at fixed frequency, but varying amplitudes.
The frequencies below the horizontal line are additional frequencies
found by the pre-whitening procedure.}
\end{table}