Glossary
72 98-135323-H
GPL General Public License, Software license, which guarantees
individuals, organizations and companies the freedom to use, study,
share (copy), and modify the software.
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
IEC International Electrotechnical Commission. The international
standards and conformity assessment body for all fields of
electrotechnology.
IMO International Maritime Organization
INS Integrated Navigation System
IP Ingress Protection. An international classification system for the
sealing effectiveness of enclosures of electrical equipment against
the intrusion into the equipment of foreign bodies (i.e. tools, dust,
fingers) and moisture. This classification system uses the letters "IP"
followed by two or three digits. An "x" is used for one of the digits if
there is only one class of protection; e.g. IPX4 which addresses
moisture resistance only.
L
LAN Local Area Network
LGPL Lesser General Public License
LWE LightWeight Ethernet
M
MOB Man OverBoard
MPE Maximum Permissible Emission
N
NMEA National Marine Electronics Association (standard). A combined
electrical and data specification for communication between marine
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