Wishbone rig Wishbone rig A wishbone rig is a type of rigging on sailboats. This rigging is most popular on heavy two-masted vessels. On a ketch it is called wishbone ketch and is considered a subtype of ketch rigging. A wishbone ketch rigged vessel is a vessel that is rigged as a ketch where a permanent splitting gaff is mounted between two masts. Contrary to the gaff rig (where the gaff is hoisted together with the sail) the gaff stays in the mast. The gaff is typically fixed on the first mast (the one closer to the front) and fixed via a
Radio masts and towers for research to find ways to minimize the hazard that communications towers can pose to birds. There have also been instances of rare birds nesting in cell towers and thereby preventing repair work due to legislation intended to protect them. Since June 2010, Telecom operators in the USA can erect new telecom masts or towers as the government has lifted the moratorium, which was earlier placed on the issuance of permits for the construction of telecommunication towers. Radio masts and towers Radio masts and towers are, typically, tall structures designed to support antennas (also known as aerials) for telecommunications and