Holland Cooke said:
THAT'S the ticket.
Get listeners to bookmark you, then GO there, often, for-a-variety-of "stuff," and your web site is more-than-just-a-brochure-for-the-station.
Tip: Label various online content elements "TODAY'S [whatever]."
I can think of one radio show that has adapted extremely well to the online world.
Every day, the radio show's website has tons of new content for listeners to regularly come back for:
* Updated Daily - Letters from Listeners
* Updated Daily - News of Interest to Listeners ("Reading & Righting" section)
* Updated Daily - Podcast/Streaming of Radio Show
* Updated A Couple Times A Week - Host's Blog Entries
* Updated Weekly - Book Giveaway
* Updated Weekly - Clips of Host on other TV/Radio Shows
* Updated Weekly - Calls of the Day/Week
* Updated Weekly - Upcoming Events
* Updated Weekly - Call to Action / Activism section
* Updated Weekly - Resources for Listeners / Reading Corner section