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Guarding the Coast

The British Isles and Ireland are island nations dependant on their domination of the coastline and waters surrounding them. With estimates of upwards of 11,000 miles and 1,700 miles respectively, the task of providing protection for and communication around these vast coastlines is a problem that has been attempted numerous… Read More »Guarding the Coast

Second World War Aircraft Direction Finding Part I – Background

The start of the twentieth century was a post-industrial technological arms race, and the traces left behind are like a timeline of pioneering developments in an attempt to outsmart our adversaries. Two of those boundary-breaking technologies were wireless telegraphy and aviation. The story of Radio Direction Finding, or RDF, joins… Read More »Second World War Aircraft Direction Finding Part I – Background

Second World War Aircraft Direction Finding Part II – Interpreting the Remains

In the second part of this article, I will pull together information and images from several sources in an attempt to interpret some of the cryptic remains from what I believe to be direction-finding sites across the country. Update 2024: Prompted to reevaluate my interpretation of these sites by author… Read More »Second World War Aircraft Direction Finding Part II – Interpreting the Remains

The Development of Internal Security Equipment for Northern Ireland (1972)

In 1972 Brigadier Sir Ian Jardine had the task of writing a history of the Northern Ireland emergency including an annex on equipment development. The document below is the content of this annex, dated 22 May 1972, and undersigned by the Assistant Chief of the General Staff (Operation Requirements) or… Read More »The Development of Internal Security Equipment for Northern Ireland (1972)