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
Are(A)zione Are(A)zione Are(A)zione is the fourth album of the Jazz fusion band Area, and it was their first live album. It was recorded during their 1975 tour in Milano, Napoli, Rimini and Reggio Emilia was released later the same year. While side One of the album concentrates on live versions of studio classics, side two contains the title-track, a lengthy instrumental, which contains also the drum pattern of the song "Giro, Giro, Tondo" which appeared in the next studio album Maledetti (Maudits), and a live version of "L'internazionale", the Socialist anthem, which was released in a studio version as a single