ARRL The Doctor is In is a podcast based on the popular QST magazine column "The Doctor is In." Hosted by QST Editor in Chief Steve Ford, WB8IMY, and columnist Joel Hallas, W1ZR, the podcast is a lively 20-minute discussion of a wide range of technical topics. Sponsored by DX Engineering.
http://blubrry.com/arrl_the_doctor_is_in/
Ground Plane Antennas
These antennas are everywhere, but how do they really work?