History of radar for various purposes; on the Shuttle Radar Topography Mission, the entire planet was mapped at a 30-m resolution. The Jodrell Bank Observatory, an operation of the University of Manchester in Britain, was originally started by Bernard Lovell to be a radar astronomy facility. It initially used a war-surplus GL-II radar system operating at 71 MHz (4.2 m). The first observations were of ionized trails in the Geminids meteor shower during December 1945. While the facility soon evolved to become the third largest radio observatory in the world, some radar astronomy continued. The largest (250-ft or 76-m in diameter) of their
The Times They Are a-Changin' (album) protest singer who baited Paul Nelson into someone determined to write only songs that 'speak for me' … Dylan's ambitions as a writer for the page … may have been further fed at the end of December when he met renowned beat poet Allen Ginsberg, author of "Howl" and "Kaddish"." Dylan was already familiar with Ginsberg's work. By now, beat poetry and French symbolists had become an enormous influence on Dylan's work, as Dylan "passed from immediate folk sources to a polychrome of literary styles". In an interview taken in 1985, Dylan said that he didn't start writing poetry until