Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
WLNY-TV
Table title:
Digital channels
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Channel </th><th colspan=1 rowspan=1 > Video </th><th colspan=1 rowspan=1 > Aspect </th><th colspan=1 rowspan=1 > PSIP Short Name </th><th colspan=1 rowspan=1 > Programming </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 55.1 </td><td colspan=1 rowspan=1 > 1080i </td><td colspan=1 rowspan=2 > 16:9 </td><td colspan=1 rowspan=1 > WLNY-TV </td><td colspan=1 rowspan=1 > Main WLNY-TV programming, secondary CBS, ACC Network </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 55.2 </td><td colspan=1 rowspan=1 > 480i </td><td colspan=1 rowspan=1 > Comet </td><td colspan=1 rowspan=1 > Comet </td></tr>
</table>
Question:
What are the two channels under which WLNY-TV operate?
Answer:
WLNY-TV operates two channels 55.1, and 55.2.