Appendix R Glossary
R-2
DEL ..................................................................................................................................... Delete
DEM ............................................................................................................. Demodulator Circuit
DHCP ................................................................................ Dynamic Host Configuration Protocol
DMZ ............................................................................................................... DeMilitarized Zone
DNS ........................................................................................................... Domain Name System
DP ................................................................................................................... Distribution Partner
DTE ...................................................................................................... Data Terminal Equipment
E
EEPROM (Electrically Erasable and Programmable ROM)
*Read only Memory that is able to delete and rewrite electrically.
EIA ............................................................................................. Electronic Industries Association
EIRP ................................................................................. Effective Isotropically Radiated Power
*A measure of transmitted power.
EL .................................................................................................................................. ELevation
EXT ................................................................................................................................. External
F
FN .................................................................................................................................. Function
G
GMDSS (Global Maritime Distress and Safety Service)
*The Global Maritime Distress and Safety System: the Inmarsat-A/B and C
systems are the only Inmarsat networks included in the GMDSS by the IMO
International Maritime Organization.
GPRS .............................................................................................. General Packet Radio Service
GPS ................................................................................................... Global Positioning System
*System which provides the geographic location of a vessel. This service uses
American military satellites which have been made available for civilian use.
H
HD ................................................................................................................................... HeaDing
HPA ............................................................................................................ High Power Amplifier
I
IMEI .............................................................................. International Mobile Equipment Identity
IMN ....................................................................................................... Inmarsat Mobile Number
IMO .......................................................................................... Internally Maritime Organization
IMSI ................................................................. International Mobile Subscriber Identity number
INFO .......................................................................................................................... Information
INMARSAT .......................................................... International Maritime Satellite Organization
*The operator of global mobile satellite communications, part of the Inmarsat
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