Eutelsat—European Telecommunications Satellite Organization
(Paris).
fiber-optic cable—a multichannel communications cable using a thread of optical glass fibers as a transmission medium in which the signal (voice, video, etc.) is in the form of a coded pulse of light.
HF— high-frequency; any radio frequency in the 3,000- to 30,000-kHz range.
Inmarsat—International Mobile Satellite Organization (London); provider of global mobile satellite communications for commercial, distress, and safety applications at sea, in the air, and on land.
Intelsat—International Telecommunications Satellite
Organization (Washington, DC).
Intersputnik—International Organization of Space
Communications (Moscow); first established in the former
Soviet Union and the East European countries, it is now
marketing its services worldwide with earth stations in
North America, Africa, and East Asia.
landline—communication wire or cable of any sort that is installed on poles or buried in the ground.
Marecs—Maritime European Communications Satellite used in the Inmarsat system on lease from the European Space Agency.
Marisat—satellites of the Comsat Corporation that participate in the Inmarsat system.
Medarabtel—the Middle East Telecommunications Project of the International Telecommunications Union (ITU) providing a modern telecommunications network, primarily by microwave radio relay, linking Algeria, Djibouti, Egypt, Jordan, Libya, Morocco, Saudi Arabia, Somalia, Sudan, Syria, Tunisia, and Yemen; it was initially started in Morocco in 1970 by the Arab Telecommunications Union (ATU) and was known at that time as the Middle East Mediterranean Telecommunications Network.