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Originally posted by Outrageo
reply to post by Yamaha Dave
Wrong. As a licensed pilot having utilized many VORTAC facilities from hundreds of airports over many years, I can very confidently tell you that this feature from the OP is NOT a VORTAC. Not even close:
All VORTACS are above ground facilities by necessity since, by definition, they must broadcast OMNIDIRECTIONAL signals so that pilot navigation systems can vector to/from the facility.
You're right about one thing, though: CASE CLOSED - it's a runoff swale - meant to keep rain water from pooling up on the runways and tarmac.
P.S. Um - you're illustration does NOT line up with the maps. How about showing us an overlay of the two? Tip: try a real aeronautical chart from the FAA - they have the precise location of all navigation beacons (VORs) at DEN.
Originally posted by muzzleflash
I am not quite sure exactly what this is either.
Perhaps it was part of a drainage network 50 years ago during wetter times?
It does lack aspects I would expect from a drainage ditch so I do have doubts about that explanation.
The shapes seem to resemble bunker wall layout. It's rather odd.