 Its location and siting on an elevated coastal area amongst dense bushland demonstrates Australia's response to the threat of invasion and the importance placed on protecting the industrial centres along NSW coastline during WWII.The site has potential to yield further information about Australian coastal defence efforts during WWII and the use and development of radar technology.It has historical associations with the introduction, use and development of radar technology in Australia which is regarded as one of the greatest contributions of Australian science to the war effort.