What the hell is this?

[roadman65]

https://goo.gl/maps/whqy1vq2sVFnAXwa8
At south entrance to DFW in Texas?

[tolbs17]

Looks like an amplitheater.

[kphoger]

That's a Doppler VORTAC (VHF Omnidirectional Range/Tactical Aircraft Control) array.  Similar to radar.

[-- US 175 --]

There is a duplicate one SW of the I-35E/Royal Lane exit in NW Dallas.

[kphoger]

Here is another example in Mississippi.

And here is some more information about that one south of DFW.

[Rothman]

That's a Doppler VORTAC (VHF Omnidirectional Range/Tactical Aircraft Control) array.  Similar to radar.

Wonder why it's on a raised platform like that.  Most aren't that...fortified.

Sort of the reverse of radar.  VORs aren't for detecting aircraft, but are navigational aids.  This one in particular not only sends out the signal by which an aircraft could follow to the VOR, but probably also conveys distance and speed data.

[Dirt Roads]

https://goo.gl/maps/whqy1vq2sVFnAXwa8
At south entrance to DFW in Texas?

That's a Doppler VORTAC (VHF Omnidirectional Range/Tactical Aircraft Control) array.  Similar to radar.

It reminds me of the smaller weather radars used by amateurs.  But it looks so much like the monsterous (60-foot wide) radar dishes that were installed all over Britain during World War II.