tions 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.

microwave radio relay - transmission of long distance telephone calls
and television programs by highly directional radio microwaves that
are received and sent on from one booster station to another on an
optical path.

NMT - Nordic Mobile Telephone; an analog cellular telephone system
that was developed jointly by the national telecommunications
authorities of the Nordic countries (Denmark, Finland, Iceland,
Norway, and Sweden).

Orbita - a Russian television service; also the trade name of a
packet-switched digital telephone network.

radiotelephone communications - the two-way transmission and reception
of sounds by broadcast radio on authorized frequencies using telephone
handsets.

PanAmSat - PanAmSat Corporation (Greenwich, CT).

satellite communication system - a communication system consisting of
two or more earth stations and at least one satellite that provides
long distance transmission of voice, data, and television; the system
usually serves as a trunk connection between telephone exchanges; if
the earth stations are in the same country, it is a domestic system.

satellite earth station - a communications facility with a microwave
radio transmitting and receiving antenna and required receiving and
transmitting equipment for commun