[GreenKeys] Fwd: That's not a RTTY station........

[Nick England]

My earlier mistake. They are actually not inverted cones or disc cones, but
HF spira-cones.
Photos and data sheet at
http://www.navy-radio.com/ant-shore.htm#spiracone

Nick

On Fri, Jan 24, 2020 at 9:11 PM Jeffrey Angus <jdangus at att.net> wrote:

> On 1/24/20 1:27 PM, Duncan Brown wrote:
> > On the Inverted Cone antennas, I was looking at them with
> > street-view from Rainwood Road. From there, it looked like
> > they lined up with some of the LPs.  Looking straight down
> > on them, I see that they are separate.
> Those disc-cones. A broad band antenna, vertically polarized.
>
> <https://www.changpuak.ch/electronics/images/discone.jpg>
>
> min. Freq. [MHz]
> 10
>
> Φ [°]
> 60
> Ls [mm]
> 8313.8
>
> Lv [mm]
> 7200
> Cmax [mm]
> 8571.4
>
> Cmin [mm]
> 332.55
> D [mm]
> 6000
>
> S [mm]
> 100
>
>
> --
> "I am a river to my people."
> Jeff-1.0
> WA6FWI
> www.foxsmercantile.com
>
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-- 
Nick England K4NYW
www.navy-radio.com
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