If anyone wants to look at the antennas, the exact addresses of all the FCC
HF DF sites are in this document:
transition.fcc.gov/omd/contracts/pre-award/RFQ11000024.pdf
Type the address, city, and state of the FCC site you want to examine into
Google Maps and zoom in.
There is much more information in the Google search I suggested.
73, Mike
www.w0btu.com
On Sun, Feb 8, 2015 at 2:11 PM, Mike Waters <mikewate@gmail.com> wrote:
> I didn't see the ARRL article, but I have researched this on the Web. Type
> these words into Google:
>
> fcc hf df
>
> The first hit is a map of where they all are. Most are unmanned. They are
> all linked to a single manned command center.
>
> I'm not certain what type of antennas they use. I studied the satellite
> images, but all I could make out were the antenna support structures. It
> looked like V-beams to me, but I'm not sure.
>
> 73, Mike
> www.w0btu.com
>
> On Sun, Feb 8, 2015 at 1:18 PM, <n0tt1@juno.com> wrote:
>
>> IIRC, quite some years ago, QST had a photo & description of a FCC
>> "signal locator" (for lack of a better description) consisting of several
>> remote receivers that were linked together.
>>
>> Anyway, these could instantly locate the origin of a skywave signal with
>> a resolution of a city block(!!) using a precise timing equipment/technique.
>>
>
>
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