GUI —graphic user interface.
HF —high frequency.
HVPS —high voltage power supply.
HZ —hertz.
I/O —input/output.
IFF/SIF —identification, friend or foe/selective
identification feature.
JTIDS —Joint Tactical Information Distribution
System.
J-SERIES MESSAGE —The fixed format
messages containing tactical data and
commands that are used to exchange
information over the JTIDS system.
JU —JTDS Unit.
LCD —liquid crystal display.
LCLV —liquid crystal light valve.
LED indicator —light-emitting diode indicator.
LINK-4A —The tactical digital data link for
controller-to-controlled aircraft
communications.
LINK-11 —The tactical digital data link for
communications among a multiple number of
units.
LINK-16 —The tactical digital data link for
communications among a multiple number of
units. This link is a secure, jam resistant,
nodeless, high-capacity link that uses the
JTIDS terminal.
LSB —Lower Side Band.
LSD —large screen display.
LVPS —low voltage power supply.
MDA —Monochrome Display Adapter.
M-SERIES MESSAGES —Link-11 messages.
NCS —Net Control Station.
NCT —Net Cycle Time.
NICP —Network Interface Control Program.
N-SERIES MESSAGES —The “normalized”
messages exchanged between the C2P
computer and the ADCS computer.
NTDS —naval tactical data system.
ODR —output data request.
OJT —on-the-job training.
OSC —operations summary console.
PA/SG —pulse amplifier/symbol generator.
PC —personal computer.
PEFT —peripheral equipment functional test.
PIO —peripheral I/O
PIXEL —picture element.
PMS —planned maintenance system.
POFA —programmed operational functional
appraisal.
PPI —plan position indicator.
PPLI —precise participant location and
identification.
PPU —projection plotting unit.
PROM —programmable read-only memory.
PU —participating unit.
RAC —radar azimuth converter.
RAM —random access memory.
RC —Roll Call.
RDDS —radar data distribution switchboard.
RELNAV —relative navigation.
RF —radio frequency.
RGB —red, blue, green.
ROM —read-only memory.
ROM BIOS —ready-only memory basic input
output system.
R-SERIES MESSAGES —Link-4A messages
from the controlled aircraft that are sent in
response to a control message.
AI-2
