radio relay communication line
51MCI Communications — This article is about MCI before it merged with WorldCom. For other uses, see MCI. MCI corporate logo before WorldCom merger MCI Communications Corp. was an American telecommunications company that was instrumental in legal and regulatory changes …
52Contesting — Champions of the 2002 World Radiosport Team Championship (WRTC), Helsinki, Finland. Photo: R. A. Wilson, N6TV Contesting (also known as radiosport) is a competitive activity pursued by amateur radio operators. In a contest, an amateur radio… …
53British Telecom microwave network — The British Telecom microwave network was a network of point to point microwave radio links in the United Kingdom, operated at first by the General Post Office, and subsequently by its successor BT plc. From the late 1950s to the 1980s it… …
54Egypt — /ee jipt/, n. 1. Arab Republic of. a republic in NE Africa. 64,791,891; 386,198 sq. mi. (1,000,252 sq. km). Cap.: Cairo. Arabic, Misr. Formerly (1958 71), United Arab Republic. 2. an ancient kingdom in NE Africa: divided into the Nile Delta… …
55United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
56Henryk Magnuski — Henryk Władysław Magnuski (1909 1978) was a Polish telecommunications engineer who worked for Motorola in Chicago. He was the inventor of one of the first Walkie Talkies and one of the authors of his company success in the fields of radio… …
57Rockwell Collins — Rockwell Collins, Inc. Type Public NYSE: COL Industry Aerospace Founded …
58D-STAR — This article is about the digital voice mode used in amateur radio. For the physical quantity, see Specific detectivity. For the concept in robotics, see D* search algorithm. For more details on this topic, see List of amateur radio modes. ICOM… …
59Computer Networks and Internet Technology — This article gives a brief outline of foundation for networks, direct link networks, packet switching, internetworking, end to end protocols, resource allocation issues, and applications. Contents 1 Computer networks 2 Connection method 3 …
60Iraq — /i rak , i rahk /, n. a republic in SW Asia, N of Saudi Arabia and W of Iran, centering in the Tigris Euphrates basin of Mesopotamia. 22,219,289; 172,000 sq. mi. (445,480 sq. km). Cap.: Baghdad. Also, Irak. * * * Iraq Introduction Iraq Background …
