Dr. Nathaniel Frissell, W2NAF from Ham Radio Science Citizen Investigation is back to talk about the latest big research project... measuring a day in the life of the ionosphere. Tune in to hear what he hopes to learn from the data, and ask your questions LIVE!

Be sure to CALL in with your questions and comments by calling 812-638-4261 live during the call-in segment of the show. You can also tweet your questions before or during the show to @HamTalkLive.