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Tuesday, 1 October 2019

Monday, 30 September 2019

IFF Mark II

  September 30, 2019      No comments   Edit
IFF Mark II.
IFF Mark II was the first operational identification friend or foe system, developed by the Royal Air Force just before World War II. The Mark I, its predecessor, amplified the signals of the British Chain Home radar systems, triggering a radar display blip. It required manual tuning, and operators could not always distinguish between an enemy aircraft and a friendly one with a maladjusted IFF. The Mark II, deployed at the end of the Battle of Britain in late 1940, fixed this problem with an automatic gain control and three automatic tuners that covered a wider selection of radars. The Mark II's frequencies were sufficient for the early war period, but by 1942 many more radars were in use, including incompatible ones based on the cavity magnetron. The IFF Mark III eliminated the multiple tuners and operated on a single frequency that could be used with any radar; it entered service in 1943 and quickly replaced the Mark II.

Sunday, 29 September 2019

Chartwell

  September 29, 2019      No comments   Edit
Chartwell.
Chartwell is an English country house near the town of Westerham, Kent. For over forty years it was the home of Winston Churchill, who lived there until shortly before his death in January 1965. In the 1930s, when Churchill was excluded from political office, Chartwell became the centre of his world. At his dining table, he gathered those who could assist his campaign against German re-armament and the British government's response of appeasement; in his study, he composed speeches and wrote books; in his garden, he built walls, constructed lakes and painted. During the Second World War Chartwell was largely unused, until Churchill lost the 1945 election. In 1953, when he was again Prime Minister, the house became his refuge after a debilitating stroke. From the garden front, the house has extensive views over the Weald of Kent. It was opened to the public by the National Trust in 1966.

Saturday, 28 September 2019

Stocksbridge Park Steels F.C.

  September 28, 2019      No comments   Edit
Stocksbridge Park Steels F.C..
Stocksbridge Park Steels Football Club is an English association football club based in the Stocksbridge area of Sheffield. They currently compete in the Northern Premier League Division One South East. The club was formed in 1986 from the merger of Stocksbridge Works, the works team of the local British Steel Corporation plant, with Oxley Park Sports. Sporting a yellow and blue home kit, they play at the Bracken Moor ground. They initially played in the Northern Counties East League, progressing through its divisions. They won promotion to Division One of the Northern Premier League in 1996, and reached its Premier Division in 2009, but were relegated back to Division One South in 2014. Due to league re-organisation, they now play in Division One South East. Steels have participated in the FA Cup every year since 1992, reaching the 4th qualifying round in 2003, and first entered the FA Trophy in 1996 after previously participating in the FA Vase.
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