Description given on Youtube:
This appears to be a Dome structure which is just off the coast from the ” Harold Holt Navy Base ” location Exmouth Western Australia. It is also well known as a H.A.A.R.P facility.
From the coast to the Dome structure its 1.17 kilometers.
The base length is 3.42 kilometers.
The center wedth is 2.54 kilometers.
From the base to the top of the dome 2.54 kilometers.
Coordinates: 21 48 S , 114 09 E
Google Earth: http://www.google.com/earth/index.html