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

[Nick England]

 Here is an article on that USAF HF transmitter site -
https://www.offutt.af.mil/News/Features/Display/Article/312829/rural-communications-site-has-global-mission/

Here's a diagram and photo of an HF rotatable log-periodic array
http://www.navy-radio.com/ant/ant-lp-1103-03.JPG
http://www.navy-radio.com/commsta/greece/LP-ROT-N-MAKRI-01.JPG

Not Wullenwebers -
The diagonal members are probably supports for an inverted cone
http://www.navy-radio.com/ant/inc-cone-01.jpg

Nick

Nick England K4NYW
www.navy-radio.com


On Fri, Jan 24, 2020 at 10:23 AM Duncan Brown <duncanancy at earthlink.net>
wrote:

> Looks like HF communications and/or intercept. Most likely US government.
>
> The towers with big arms are big Log-Periodic, rotatable antennas,
> probably covering 2-30 Mhz. I've never seen any that big, though.
>
> Near the center of the site, the big diagonal towers surrounding an LP
> tower are probably supporting other wire antenna elements.  Sort of
> reminiscent of the Wullenweber, AN/FLR-9, electrically steered, DF antenna.
>
> Interesting!
>
> Duncan
> K2OEQ
> USASA
>
> On 1/23/2020 22:27, E. wrote:
> > There is something similar near Omaha, Ne… just up the road from me.  I
> pinned it here on Google Maps:
> >
> > https://goo.gl/maps/U9aPS2gFTPcJ3Z8S7
> >
> > (check out street view on the road boarding it, to the north)
> >
> > I’ve been by it once before and it’s some kind of an antenna array…
> looks to be a communications arm of the Air Force - possibly associated
> with Offutt.  Any clue what these antenna arrays could be used for???
>
>
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