Marconi Research Centre than 1,200 engineers, technicians, craftsmen and support staff. It was also home to the Marconi Company's museum containing numerous original artifacts from the pioneering period of Guglielmo Marconi's work on wireless telegraphy. The site still includes a prominent local landmark, a -high (110 m) former Chain Home radar tower visible across the surrounding countryside. Marconi Research Centre Marconi Research Centre is the former name of the current BAE Systems Applied Intelligence Laboratories facility at Great Baddow in Essex, United Kingdom. Under its earlier name, research at this site spanned military and civilian technology covering the full range of products offered
History of radio Christmas Eve 1906, Reginald Fessenden used a synchronous rotary-spark transmitter for the first radio program broadcast, from Ocean Bluff-Brant Rock, Massachusetts. Ships at sea heard a broadcast that included Fessenden playing "O Holy Night" on the violin and reading a passage from the Bible. This was, for all intents and purposes, the first transmission of what is now known as amplitude modulation or AM radio. In June 1912 Marconi opened the world's first purpose-built radio factory at New Street Works in Chelmsford, England. The first radio news program was broadcast August 31, 1920 by station 8MK in Detroit, Michigan, which