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98955_UM_ 45S/SX_E 3
EPIRB
Emergency Position Indicating Radio Beacon
GLOBAL POSITIONING SYSTEM (GPS)
The NAVSTAR Global Positioning System, which consists of orbiting
satellites, a network of ground control stations, and user positioning and
navigation equipment. The system has 24 satellites plus 3 active spare
satellites in six orbital planes about 20,200 kilometers above the earth.
GPS
Global Position System
GPS SYSTEM TIME
Time corrected to Universal Time Coordinated (UTC) and used as the
time standard by the user segment of the GPS system.
IEC
International Electro-technical Commission.
IMO
International Maritime Organization
INTERFACE
Electronic circuits that permit the passage of data between different types
of devices; For example, the speed and heading interface circuit permits
data from a speed log and compass to pass to the navigator processor.
ITU
International Telecommunication Union.
LED
Light Emitting Diode.
LUT
Local User Terminal (Ground Station).
MCC
Mission Control Centre.