selektor 1977-10

Power consumption of a recently installed aeronautical radio beacon from Redifon Telecommunications is so low _ that its batteries rely solely on a wind generator to keep them charged. orming part of the Falkland Islands airport project, soon to be completed (see photo), the all solid state BKl25 MF beacon (inset photo) is equipped for dual beacon operation, with automatic changeover facilities to bring the standby transmitter into use in the event of a failure. The BKl 25, including the associated antenna coupling unit, is contained in a weatherproof kiosk