[TowerTalk] vertical antenna feedpoint

[Jim Brown]

On 3/16/2025 6:53 PM, john at kk9a.com wrote:
> I have been doing the opposite for decades.  I shorten the vertical slightly
> and use a hairpin coil to create a 50 ohm feedpoint.  Is one method better
> than the other?

Good question, John! I have no idea. But I think the answer might lie in 
current distribution. We know, for example, that loading coils at a 
low-Z point in the antenna reduce radiation efficiency because it's a 
current maxima and inductors don't radiate.

73, Jim K9YC