Monthly meeting, on Jitsi: https://meet.jit.si/sclugs
Topic: "Everybody's Talking: US Radio Spectrum Plan History" by Dr. Robert Meier AA9AU
For more than a century, Earth's limited radio spectrum has been shared by an exponentially increasing number of transmitters. A handful of transmitters in the 1890s expanded to millions in the 1960s, and is billions today. This is the story of how they did it.