[TowerTalk] 10,15,20 m verticals

[Roger (K8RI) on TT]

Hy-Gain pretty much took half the driven element of a 3L tribander in 
the 60s to sell as a trap vertical.
I never tried doing that, nor do I know of anyone who did, but quarter 
wave spacing on 20 would give close to half wave spacing on 10. Fed in 
phase I'd think it'd work broad side on 15.  I don't know what would be 
needed for phasing for end fire or a figure 8 in line with the antennas 
on 15.
Use lots of radials with ground mounted antennas well out in the clear.

My only experience with ground mounted verticals was a pair of quarter 
wave verticals, spaced IIRC 1/2 wave for figure 8s end fire and broad 
side, but that was in the late 60s into the 70s so my memory is a bit 
foggy that far back.  (about 45 years back)

I currently have a single AV640 mounted at 25 feet. It worked really 
well, but something has it messed up as well as taking out the Diamond 
144/440 vertical matching network. I hope to get the C19XR on the LM470 
so I can use it this winter.

73,

Roger (K8RI)


On 11/5/2016 Saturday 3:19 PM, Timothy Holmes wrote:
> Hi guys
>
> Ive got one element from an old tribander.  Im wondering if I could use it
> to make a pair if verticals to give me better takeoff angle for dxing.
> Possibly set them up as phased verticals (im aware that spacing would
> change with the bands)
>
> Would really like to hear your thoughts and ideas
>
> Tim
> W8tah


-- 

73

Roger (K8RI)


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