Argument "Azimuth" isn't numeric in numeric ne (!=) at www.pl line 6.
Argument "a" isn't numeric in numeric ne (!=) at www.pl line 6.
    <tr>
        <td width="0" height="0">a</td>
        <td width="0" height="0">a</td>
        <td width="0" height="0">a</td>
        <td width="0" height="0">a</td>
        <td width="0" height="0">a</td>
    <td width="0" height="0">a</td>
    </tr>