Lumberjack it usually refers to a logger from an earlier time before the advent of chainsaws, feller-bunchers and other modern logging equipment. Other terms for the occupation include woodcutter, shanty boy and the colloquial term woodhick (Pennsylvania, US). A logger employed in driving logs down a river was known locally in northern North America as a river pig, catty-man, river hog, or river rat. The term lumberjill has been known for a woman who does this work; for example, in Britain during World War II. In Australia, the occupation is referred to as timber cutter or cool cutters. Lumberjacks worked in
Radar in World War II Radar in World War II Radar in World War II greatly influenced many important aspects of the conflict. This revolutionary new technology of radio-based detection and tracking was used by both the Allies and Axis powers in World War II, which had evolved independently in a number of nations during the mid 1930s. At the outbreak of war in September 1939, both Great Britain and Germany had functioning radar systems. In Great Britain, it was called RDF, Range and Direction Finding, while in Germany the name "Funkmessgerät" (radio measuring device) was used. By the time of the Battle of Britain