Located on North-West Cape,
Western Australia (22.2°S, 114.1°E), the site
overlooks Exmouth Gulf to the east and Cape Range to the
west. It is part of a network of solar observatories
(the Solar Electro-Optical Network, SEON) established by the
USAF around the world, and one of two solar patrol observatories
in Australia. Chosen for clear skies, the site averages over 9
hours sunshine per day.

  Learmonth Observatory operates optical and radio telescopes to monitor 
  the Sun. In collaboration with the Australian Geological Survey 
  Organisation, magnetometers are operated to sense geomagnetic effects 
  of solar activity. An ionosonde is also used to probe the state of the 
  Earth’s upper atmosphere.