ground communication vhf radio
81Instrument de bord (aéronautique) — Les instruments de bord servent à présenter à l équipage, en particulier au pilote, toutes les informations utiles au maintien en vol de l aéronef, à la navigation, aux communications avec les infrastructures de la gestion du trafic aérien. Les 4 …
82Edwin Howard Armstrong — Edwin H. Armstrong Developed and advanced the utility of FM technology. Born December 18, 1890(1890 12 18) New York, New York U.S …
83Bande des 2 mètres — La bande 144 MHz, désignée aussi par sa longueur d onde, 2 mètres, est une bande du service radioamateur destinée à établir des radiocommunications de loisir. Cette bande est utilisable en permanence pour le trafic radio local et régional. Cette… …
84flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
85Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… …
86very high frequency — The range of radio frequencies between 30 and 300 MHz. Portions of this band, 108 to 118 MHz, are used for certain NAVAIDs (navigational aids); 118 to 136 MHz are used for civil air to ground voice communications. Other frequencies in this band… …
87DuMont Television Network — Type Broadcast television network Country …
88Chain Home — Radar Coverage 1939 1940 Chain Home was the codename for the ring of coastal Early Warning radar stations built by the British before and during the Second World War. The system otherwise known as AMES Type 1 (Air Ministry Experimental Station)… …
89Satellite television — List of digital television broadcast standards DVB standards (Europe) DVB S (satellite) DVB S2 DVB T (terrestrial) DVB T2 DVB C …
90Controller Pilot Data Link Communications — (CPDLC), also referred to as Controller Pilot Data Link (CPDL), is a method by which air traffic controllers can communicate with pilots over a datalink system. Contents 1 Necessity 2 Use of CPDLC 3 Implementation …
