radio-frequency power supply
21Antique radio — DIORA AGA RSZ 50 ca.1947 from Poland An antique radio is a radio receiving set that is collectible because of its age and rarity. Although collectors may differ on the cutoff dates, most would use 50 years old, or the pre World War II Era, for… …
22Maritime mobile amateur radio — An emergency portable boat radio transceiver, Museal ship S/S Sołdek in Gdańsk, Poland Most countries amateur radio licences allow licensed operators to install and use radio transmission equipment while at sea. Such operation is known as… …
23Warsaw radio mast — Infobox building building name=Warsaw Radio Mast caption=The Warsaw radio mast in Konstantynów building type=Mast radiator insulated against ground location=Konstantynów, Gąbin, Poland coordinates=coord|display=inline,title|52|22|14|N|19|48|23|E|t… …
24Roumoules 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… …
25Microwave Power Module — A Microwave Power Module (MPM) is a microwave device used to amplify radio frequency signals to high power levels. It is a hybrid combination of solid state and vacuum tube electronics, which encloses a solid state driver amplifier (SSPA),… …
26Orlunda radio transmitter — Orlunda transmitter building today with 86.4 metre tall guyed mast used for mobile phone services …
27Television and Radio — ▪ 1995 Introduction Dominant trends in television and radio in 1994 included continuing globalization of services and programming and increased competition between cable and telephone companies. The industry s battle cry was expand or exit …
28Amateur Radio Emergency Communications — (AREC), formerly the Amateur Radio Emergency Corps , is a service provided by the New Zealand Association of Radio Transmitters (NZART) which provides trained radio communicators and communication systems for emergency situations.Mission… …
29Herzogstand Radio Station — was a radio communication station, which was built and operated from 1920 to 1946 at Herzogstand in the proximity of Kochel/Lake in Bavaria. The plant was conceived of C Lorenz AG as independent operational funds for radio traffic on very long… …
30NLRB v. Mackay Radio & Telegraph Co. — NLRB v. Mackay Radio Telegraph Co. Supreme Court of the United States Argued April 5–6, 1938 De …
