Topband: a variant on elevated radials

[kd4e]

> K3ANS uses an antenna which has several 1/4 wave 'radials' coming off
> his 120' tower at the 90' level.  Coax snakes up the tower, with the
> 'radials' fed from the center conductor, and the shield connected to
> the tower.
> 
> It seems to be a very effective topband antenna into Asia/PAC from eastern
> Pennsylvania.
> 
> I'm wondering if anyone has modelled this beast, what it's called, and
> what the model reveals about theoretical performance.
> 
> TIA, N2EA

Is his tower base insulated from ground?

What is at the top of his tower?

Has he created a center fed vertical dipole?

Sorta a center fed mobile antenna with capacitive
hat on steroids?


-- 

Thanks! & 73,
doc, KD4E
... somewhere in FL
http://bibleseven.com