What Are RTL SDR Sticks? How Can I Track Air Traffic, Boat Traffic and Weather Balloons?

People across the United States tracked the China spy balloon as it traveled the airspace using simple, at-home devices.

What are RTL-SDR USB sticks? How does RTL-SDR work? How can I track air traffic for free? How can I track boat traffic?

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Watch the full podcast at: https://rumble.com/v2biizi-s02-e02-chinese-spy-balloon-outing-spies-islamic-attacks-and-human-traffick.html