radio relay communication line
11communication — I (New American Roget s College Thesaurus) Act of communicating ideas Nouns 1. communication, intercourse, conversation, speech, writing, correspondence; message, tidings, news(see information). 2. communicator, messenger, nuncio; herald, crier,… …
12radio — Synonyms and related words: AM receiver, AM tuner, AM FM receiver, AM FM tuner, CB, RDF, Teletype, Wirephoto, advice, adviser, air, announce, announcer, annunciator, audio frequency, authority, auto radio, automation, aviation radio, avionics,… …
13Radio Data System — The RDS Logo Radio Data System, or RDS, is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts. RDS standardises several types of information transmitted, including time,… …
14Power line communication — or power line carrier (PLC), also known as power line digital subscriber line (PDSL), mains communication, power line telecom (PLT), power line networking (PLN), or broadband over power lines (BPL) are systems for carrying data on a conductor… …
15military communication — Introduction the transmission of information from reconnaissance and other units in contact with the enemy and the means for exercising command by the transmission of orders and instructions of commanders to their subordinates. As such, it… …
16Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… …
17List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… …
18Satellite radio — is an analogue or digital radio signal that is relayed through one or more satellites and thus can be received in a much wider geographical area than terrestrial FM radio stations. While in Europe many primarily FM radio stations provide an… …
19Amateur 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,… …
20China Radio International — Radio Beijing redirects here. For the municipal radio station (Radio Beijing Corporation), see Beijing Renmin Guangbo Diantai. China Radio International City of license Beijing Broadcast area Worldwide First air date December 3, 1941 …
