The modelled Z is around 140 ohms. The "top" element of the loop is
about 20% longer than the other two. It is starting to approach a folded
dipole.

Bob

Wes Stewart wrote:
I have a question, Why?

The loop Z is going to be in the neighborhood of 120 ohm. A 75 ohm Q
section is a better deal than 100 ohm.