Topband: Waller Loop

[Richard Karlquist]

On 2015-04-08 16:52, Mike Waters wrote:
> Floating shield? I don't have the Waller Flag info here, but I assume 
> that
> means that the twinax braid shield is grounded at the station, open at 
> the
> antenna, and not connected to either of the two conductors inside the
> shield. Am I correct?
/_topband

It is difficult to make the characteristic impedance as low as 75 ohms.
Adding a shield makes it considerably easier.  It is completely
reasonable to have a floating shield whose only purpose is to
assist with realizing a 75 ohm characteristic impedance.

Rick N6RK