t mask is applied to.&nbsp;</td>
         </tr>
         <tr class="summary-item">
            <td class="name">starting_time</td>
            <td class="m-help">The timestamp of the first sample. COMMENT: When timestamps are uniformly spaced, the timestamp of the first sample can be
               specified and all subsequent ones calculated from the sampling rate.&nbsp;
            </td>
         </tr>
         <tr class="summary-item">
            <td class="name">starting_time_rate</td>
            <td 