Tune in this week to Amateur Radio Roundtable at 8:00 PM central at w5kub.com . This week our guest will be Mark Brown N4BCD the spokesperson for the Huntsville hamfest. Dave will talk to us about oscillators, how they work, and what they are used for. We may have a quick visit from NE4RD Jamboree on the air at K2BSA. Chat room and phone lines open. This program is also simulcast on famous international shortwave station WBCQ on 5130 Khz. We invite you to join our ham radio facebook group at https://www.facebook.com/groups/w5kub/