After signing in to Podcaster, navigate to Content (1), choose your preferred show, and right-click the Show RSS (2) feed button on the show page. Then, select Copy Link Address (3) from the drop-down.
Now you should have the RSS feed URL saved to your clipboard. From here, you can go to your favorite RSS feed player and enter your URL. Also, you can share it with others or add it to podcast directories.
NOTE: In Podcaster, each show and playlist generates a distinct RSS feed link