Topband: My new 9 Circle works great!

Jim Miller jim at jtmiller.com
Wed Dec 7 10:45:53 EST 2022


I failed to mention that W1FV was the original designer whose work was
published in NCJ. My apologies for that!

73

Jim ab3cv

On Sun, Dec 4, 2022 at 2:34 PM Jim Miller <jim at jtmiller.com> wrote:

> Thanks to Steve's, VE6WZ, excellent YouTube videos, I decided to tackle a
> better RX antenna. I've been using a 2 element array phased by an NCC-2
> which is better than what I've had in the past (BOG, K9AY) but I wanted
> better.
>
> After evaluating my space available and finding it too small I asked my
> neighbor for seasonal use of their adjoining lot and they graciously
> agreed! My N, NW and W elements are on their property.
>
> Steve's videos include KiCad files for the combiner and preamps and he was
> very helpful by email with any of my questions.
>
> I just completed the array last night and got it on the air and I was
> astonished by how well it worked.
>
> Of course it isn't going to create signals out of thin air but it is much
> quieter due to better RDF and the front to back is very impressive. Strong
> signals on the waterfall just disappear when the antenna is reversed!
>
> I'm very happy to get such an improved antenna for 80 and 160 in a 120ft
> diameter circle!
>
> As a bonus I use it with PSTRotator and a USB controlled relay box so no
> manual switch box is required on my desk. Just a mouse click selects the
> desired direction or it can track my logger automatically.
>
> FYI, most of the cost is in the aluminum, the combiner and preamps were
> pretty cheap to build.
>
> Many thanks to VE6WZ!!
>
> 73
>
> jim ab3cv
>
>
>
>
>


More information about the Topband mailing list