\begin{table}%t2
\caption{Foreseen experimental features of the Olimpo balloon bolometer project.}
\label{ExpOlimpo}
%\centering
\small
\begin{tabular}{ccccc}
\hline \hline
Observation bands $\nu$ [$\rm GHz$] & 143 & 217 & 385 & 600 \\
\hline
Bandwidth $\Delta \nu$  [$\rm GHz$] & 30 & 30 & 30 & 30 \\
Bolometer Number & 19 & 37 & 37 & 37 \\
Beam Width, {\it FWHM} [$\rm arcmin$] & 3 & 2 & 2 & 2 \\
Noise level [$\mu K_{\rm CMB} {\rm s}^{1/2}$] & 150 & 200 & 500 & 5000 \\
\hline
\end{tabular}
\end{table}