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Some (older?) coaxes suspend the center conductor with glass beads every so often. Thus most of the dielectric is air. VelocityPropagation velocity is almost 1.0 C\$c\$.
Some (older?) coaxes suspend the center conductor with glass beads every so often. Thus most of the dielectric is air. Velocity 1.0 C
Some (older?) coaxes suspend the center conductor with glass beads every so often. Thus most of the dielectric is air. Propagation velocity is almost 1.0 \$c\$.
