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 Sheriffs Are Coming to 1 December 2017. The seventh series, which commenced filming in October, aired on BBC One from 12 March 2018. The Sheriffs Are Coming The Sheriffs Are Coming is a British television fly on the wall documentary series, broadcast on BBC One, that follows the work of High Court enforcement officers (HCEOs) from The Sheriffs Office in Croydon. The initial idea for the series came after a 10-minute feature on HCEOs on the BBC One show "Inside Out South West" in 2011. The first series, containing ten episodes, commenced on 19 March 2012. Six series have been broadcast to date,