assuming you have the latest (or close to it) version of phpmyadmin, do the following:
- go into phpmyadmin and click the name of your database
- click on the "Export" tab
- click on the name of the table in the select list
- click the radio box next to "Structure and Data"
- check the checkbox next to "Save As File"
- click the "Go" button and save the file
- open phpmyadmin in your new location
- click the database name
- click the "SQL" tab
- click "Browse" and choose the location of the file
- click "Open"
- click "Go"
that should do it