[TowerTalk] 40 meter sloper question

[Bill Coleman]

On Oct 10, 2006, at 3:15 PM, k2qmf at juno.com wrote:

> I have a question regarding the 1/4 wave slopers.
> The coax shield goes to the tower at the top.
> Do you need radials at the base of the tower in order
> for the sloper to work properly??

No and Yes.

No, radials are not needed. However, they may affect the performance  
of the sloper. I had a 40m sloper on a 15m tower and it was  
positively affected as I added radials for shunt-feeding the same  
tower for 80m.

> I have a 70 foot tower and would like to try a sloper
> for 80 meters.

It's worth a try. You also might consider shunt-feeding the tower.


Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
Quote: "Not within a thousand years will man ever fly!"
             -- Wilbur Wright, 1901