Use the form above to type in keywords (1), separated by semicolon, then click the "Find Catalogs" button. For example, if you put in "Westerbork;Northern", you will get the page shown below.
In this case we are looking for the Westerbork Northern Sky Survey, and you can see that it has been found (2).
Click on the right hand thumbnail of the catalog (3) to see the coverage map.
The map can be large or small, in galactic or equatorial coordinates, by clicking on the links on the coverage map (4).
