What are the answers to the technical questions:
What design did you start with and at what efficiency?

Classical mobile whip with 160m loading coil and whip.

What design did you end up with and at what efficiency?

Improved K3BU design based on knowledge gained from current distribution in a
loading coils.
Details can be obtained against non-disclosure agreement.

What was the improvement in efficiency?

Significant, from S0 to S7 - S9.


73's
Richard Clark, KB7QHC

73 Yuri, K3BU/m