directional aerial
11high-gain aerial — An aerial designed to receive and transmit signals along a single axis. It is a highly directional antenna. Also called a beam antenna …
12sense aerial — A type of nondirectional radio antenna used with an automatic direction finder, which picks up signals with equal strength from all directions. The sense aerial helps remove the 180° ambiguity, which is a feature of highly directional loop… …
13transmitting aerial — noun an electrical device that sends or receives radio or television signals • Syn: ↑antenna, ↑aerial • Derivationally related forms: ↑antennary (for: ↑antenna), ↑antennal (for: ↑ …
14Mühlacker radio transmitter — Radio towers of Transmitter Mühlacker in September 2004 (from left to the right): Steel framework tower for directional radio, height: 93 m, built in 2004; reflector mast for medium wave with antennas for mobile phone services, height:… …
15Ismaning radio transmitter — The Transmitter Ismaning is a large radio station inaugurated in 1932. From 1932 to 1934 this transmitter, which replaced the transmitter in Munich Stadelheim, used an T antenna as transmitting antenna, which was hung up two 115 meter high… …
16Orfordness transmitting station — The Orfordness transmitting station is a major (though now, little used) radio broadcasting facility at Orford Ness on the Suffolk coast in the UK. It is designed to transmit powerful medium wave (AM) signals to much of Europe on two frequencies… …
17Winter Hill transmitting station — Infobox UK Transmitter name = Winter Hill Click to view the hi res version and see the supporting cables height = convert|315.4|m|ft gridref=SD660145 built = demolished = collapsed = relay = BBC = BBC North West ITV = ITV GranadaThe Winter Hill… …
18Huff-Duff — High frequency direction finder is usually known by its acronym HF/DF, pronounced Huff Duff. This has become the common name for this type of radio direction finder, and was coined during World War II.The idea of using two or more radio receivers …
19Roumoules radio transmitter — The Roumoules transmitter is the main broadcasting facility for long and medium wave broadcasting of Radio Monte Carlo near Roumoules, France. The site is an exclave of Monaco and is an extraterritorial area. The transmitters installed there are… …
20The Blitz — London Blitz redirects here. For the London based American football team, see London Blitz (American football). For other uses, see Blitz (disambiguation). The Blitz Part of Second World War, Home Front …
