[TowerTalk] Vertical dipoles

K4SAV RadioIR at charter.net
Wed Nov 18 14:19:52 PST 2009


Steve Hunt wrote:
> It models fine for me:
>
> 120ft vertical radiator
> Bottom "capacity hat" 8ft off ground, 4 x 20ft horizontal wires + 4 
> perimeter wires
> Two top loading wires at 45 degrees, each 28ft long.
> All wires #14 copper over average ground
>
> Fed in the centre of the vertical radiator, at 1.93MHz it has a 
> feedpoint impedance of 72+j2 ohms
>
> Dimensions taken from the QEX article.
>
> 73,
> Steve G3TXQ
>
>   
That's not the referenced antenna.  Here is the referenced antenna.
http://www.iol.ie/~bravo/low_band_antennae.htm#My%20TX%20Antennae
Try modeling that one please.

Jerry, K4SAV



More information about the TowerTalk mailing list