no radio contacts
11Radio-télévision belge de la Communauté française — 50° 51′ 11″ N 4° 24′ 06″ E / 50.85296, 4.40165 …
12Radio transmitter design — In plate modulation systems the voltage delivered to the stage is changed. As the power output available is a function of the supply voltage, the output power is modulated. This can be done using a transformer to alter the anode (plate) voltage.… …
13Radio Futura — Infobox musical artist Name = Radio Futura Img capt = Img size = Background = group or band Alias = Origin = flagicon|Spain Zaragoza, Madrid (Spain) Genre = Rock Latin rock Punk Years active = 1980–1992 Label = Ariola RCA Associated acts = Juan… …
14radio noise — A noise or a disturbance in radio wave reception that may be caused by poor quality components, bad contacts, small thermal motion within the sets that appears as a hissing noise in speakers and grass on radar screens, and external atmospheric… …
15Amateur radio history — Throughout the history of amateur radio, amateur radio enthusiasts have made significant contributions to science, engineering, industry, and social services. Research by amateur radio operators has founded new industries, built economies,… …
16Point Loma Amateur Radio Club — The Point Loma Amateur Radio Club (PLARC) was organized in 1957 by members of the U.S. Navy Electronics Laboratory (NEL). The club is based in San Diego, CA, and throughout its history it has primarily comprised amateur radio enthusiasts from U.S …
17La Radio Libre — Radio libre Pour les articles homonymes, voir Radio, Radio libre (Skyrock), Libre antenne et radio air libre. Le nom de radio libre est initialement synonyme de celui de radio pirate, et se rapporte au mouvement qu ont entraîné les radios… …
18Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …
19Shortwave radio — Shortwave can also refer to a shortwave trough meteorology. A solid state, analog shortwave receiver Shortwave radio refers to the upper MF (medium frequency) and all of the HF (high frequency) portion of the radio spectrum, between… …
20CB radio in the United Kingdom — CB Radio was first introduced into the United Kingdom around 1972. These dates are hard to confirm accurately; certainly early use was known around the airports in the UK, particularly Stansted in 1973. Some claim that a few illegal CBs were in… …
