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/
VHF/UHF Propagation
Repeaters aren't the only ways to span long distances in the world above 50 MHz.