[600MRG] 630 with a 68ft vertical?

[D.J.J. Ring, Jr.]

Gedas,

This is similar to what we used at WSC / West Creek Radio to top load our
300 foot tower for 500 kHz, angled wires  connected together at the base to
form a type of "cage" or inverted coffee cup type of loading wires.

73

DR



On Wed, Sep 30, 2020 at 11:57 AM Gedas <w8bya at mchsi.com> wrote:

> WAG here but I would venture to say if you had that antenna and drove it
> with 30W or so you will not have any trouble making QSO's all over NA given
> "normal" conditions. Make the coil HUGE in dia (like 8-10 inches) and of
> large AWG (like #6 - #8 etc copper wire) to minimize losses and you will
> have a blast. See if you can bring down a pair of wires from the top,
> spaced 180 degrees apart down at an angle to add a capacity hat. If you can
> make them 50' or so that will help a lot.
>
> Gedas, W8BYA EN70JT
>
> Gallery at http://w8bya.com
> Light travels faster than sound....
> This is why some people appear bright until you hear them speak.
>
> On 9/30/2020 11:41 AM, Jim Miller wrote:
>
> What sort of efficiency could I expect with just base loading a 68ft
> vertical on 630m? I have 32 radials with an average length of 100ft.
>
> For a long list of reasons I can't top load this antenna at all, nor do I
> have any other antenna possibilities.
>
> I can put effort into making the loading coil as efficient as possible.
>
> Thanks!
>
> jim ab3cv
>
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