His design is based on Coaxial Collinear Antenna ... in determining the size of the cable, however, the hack in this design is the way he uses a USB based oscilloscope to measure the speed of ...

Waveguide-to-coaxial adapters are RF adapters used to connect waveguide devices to coaxial components. What are Coaxial Cables and Waveguides? Coaxial cables are electrical cables with three or more ...