Most Portland radio stations now stream their signal on the Internet.  Drill into a local station by clicking FM/AM, select the call letters and then click into the station’s web site.  Look for a link that usually says “listen live”. 

After activating a “listen” link, the signal should stream to the active audio player in your computer.  Some station streams require you download a certain player or additional software.  If this is your first time doing this, there’s a 5% chance you’ll meet with success.

For a guide to see what’s available via internet radio nationwide, see:
http://www.radio-locator.com/, or
http://www.streamingradioguide.com/

Here are a few recommended internet stations to sample:

Kusa radio - Big band, swing, jazz, pop
Kplu Tacoma - Real Jazz

Smooth Jazz - Beautiful music for baby boomers

Radioio - A gazillion different formats