Harold E Holt Naval Communication Station Towers. Exmouth Western Australia North West Cape Royalty-Free Stock Photography

Constructed 1965 Largest VLF -Very Low Frequency transmitter at the time. 387 meters or 1271 feet tall. 13 towers of a joint American Australian venture to establish communications to submarines in the Indian Ocean during the cold war. Still in operation. Main tower 387 metres or 1271 feet tall Inner towers 364 meters 1195 feet outer towers 304 meters 996 feet tall