Rodney Campbell's Blog

Naval Communication Station Harold E. Holt is located on the northwest coast of Australia. It is 6 kilometres north of the town of Exmouth in Western Australia. The town of Exmouth was built at the same time as the communications station to provide support to the base and to house families of U.S. Navy personnel working there.

Naval Communication Station Harold E. Holt

NIKON D750 + 28.0-300.0 mm f/3.5-5.6 @ 28 mm, 1/125 sec at f/9, ISO 100

Note: These photographs (especially the wider shots) look much better when larger – so click any of the images below to see larger versions in an inline overlay slideshow gallery viewer.

The Naval Communication Station provides very low frequency (VLF) radio transmission to United States Navy and Royal Australian Navy ships and submarines in the western Pacific Ocean and eastern Indian Ocean. With a transmission power of 1 megawatt, it is the most powerful transmission station in the Southern Hemisphere.

The station features thirteen gigantically tall radio towers. The tallest tower is called Tower Zero and is 387m tall, and was for many years the tallest man-made structure in the Southern Hemisphere. Six towers, each 304 metres tall, are placed in a hexagon around Tower Zero. The other six towers, which are each 364 metres tall, are placed in a larger hexagon around Tower Zero. Buried in the ground beneath the antenna array is 386 kilometres of bare copper ground mat.

Naval Communication Station

NIKON D750 + 28.0-300.0 mm f/3.5-5.6 @ 28 mm, 1/100 sec at f/9, ISO 100

Coral Coast

Coral Coast

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