         <tr>
            <td style="vertical-align: top;"><span style="font-family: ms sans serif;"><span style="font-weight: bold;">Download
the mean solar flux data file: </span></span><span style="font-family: ms sans serif;"><span style="font-weight: bold;">1958-1-1 to 2008-12-31</span></span></td>
            <td style="vertical-align: top; text-align: center; background-color: rgb(255, 255, 51);"><span style="font-family: ms sans serif;"><a href="flux_mean.dat">flux_mean.dat</a> - <a href="flux_me