COBHAM EXPLORER 540 User & Integrator's Manual page 162

with the Earth and has its origin at the centre of the Earth. The X axis passes through the
equator at the prime meridian. The Z axis passes through the north pole but it does not
exactly coincide with the instantaneous Earth rotational axis. The Y axis can be
determined by the right-hand rule to be passing through the equator at 90 degrees
longitude.
EIRP Effective Isotropically-Radiated Power. The amount of power that would have to be
emitted by an isotropic antenna (that evenly distributes power in all directions) to
produce the peak power density observed in the direction of maximum antenna gain.
F
FCC Federal Communications Commission. An independent agency of the United States
government, created by Congressional statute to regulate interstate communications by
radio, television, wire, satellite, and cable in all 50 states, the District of Columbia and U.S.
territories. The FCC works towards six goals in the areas of broadband, competition, the
spectrum, the media, public safety and homeland security.
FTP File Transfer Protocol. A standard network protocol used to transfer computer files
between a client and server on a computer network.
FUP Firmware Upgrade Process.
G
GLONASS GLObal'naya NAvigatsionnaya Sputnikovaya Sistema. Global Navigation Satellite System
in English.
GMPCS Global Mobile Personal Communications Services.
GND Ground.
GNSS Global Navigation Satellite System. A navigation satellite system using the GPS, GLONASS,
Galileo or Beidou system.
GPS Global Positioning System. A system of satellites, computers, and receivers that is able to
determine the latitude and longitude of a receiver on Earth by calculating the time
difference for signals from different satellites to reach the receiver.
I
I/O Input⁄Output.
IC Industry Canada (French: Industrie Canada) is the department of the Government of
Canada with a mandate of fostering a growing, competitive, knowledge-based Canadian
economy.
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Glossary
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