ABBREVIATIONS AND ACRONYMS
A
AA—antiaircraft
AAM—air-to-air missile
AB—airborne search and bombing
AC—alternating current
AI—airborne intercept
AL—altimeter
AM—amplitude modulation
AMOP—amplitude modulation on the pulse
ARM—antiradiation missile
ASM—air-to-surface missile
ASSM—antisurface ship missile
ATBM—antitactical ballistic missile system
ATR—antitransmit-receive
AWACS—airborne warning and control system
AW—air warfare
B
BCU—battery and coolant unit
BMEW—ballistic missile early warning
BN—beacon
BS—battlefield surveillance
BW—beamwidth
C
C2W—command and control warfare
C3—command, control, and communications
COHO—coherent oscillator
COSRO—conical-scan-on-receive-only
CRT—cathode ray tube
CS—coastal surveillance
CW—continuous wave
D
dB—decibel
DC—direct current
DF—direction finding
DME—distance measuring equipment
DT—data transmission
E
EA—electronic attack
EO—electro-optical
EP—electronic protection
ES—electronic warfare support
EW—electronic warfare; early warning
F
FC—fire control
FDM—frequency division multiplexing
FM—frequency modulation
FMOP—frequency modulation on the pulse
FRESCAN—frequency scanning
FRP—fingerprinting
FSK—frequency shift keying
G
GCA—ground control approach
GCI—ground control intercept
GHz—gigahertz
H
Hz—hertz
I
IF—intermediate frequency
IFF—identification friend or foe
INS—inertial navigation system
ISAR—inverse synthetic aperture radar
K
kHz—kilohertz
km—kilometer
KT—kiloton
L
LD—lobe duration
LFMOP—linear frequency modulation on the pulse
LO—local oscillator
LOB—line of bearing
LORO—lobe-switching-on-receive-only
LOS—line-of-sight
LRS—linear recursive sequence
M
MACH—speed ratio to speed of sound
MD—missile downlink
MF—multifunction
MG—missile guidance
MH—missile homer
MHz—megahertz
mm—millimeter
MNR—maritime navigation radar
MOP—modulation on the pulse
MOPA—master oscillator power amplifier
MTI—moving target indication
MUR—maximum unambiguous range
N
NA—navigation
NM—nautical mile
O
OTH—over the horizon
P
PAM—pulse amplitude modulation
PAR—precision approach radar
PCM—pulse code modulation
PD—pulse duration
PDM—pulse duration modulation
PFM—pulse frequency modulation
PGPM—pulse group position modulation
PGPS—pulse groups per second
PGRI—pulse group repetition interval
PM—phase modulation
PMOP—phase modulation on the pulse
PPG—pulses per group
PPI—planned position indicator
PPM—pulse position modulation
pps—pulses per second
PRF—pulse repetition frequency
PRI—pulse repetition interval
PW—pulse width
R
RCL—radio command link
RF—radio frequency
RPM—revolutions per minute
S
SAM—surface-to-air missile
SAR—synthetic aperture radar
SNR—signal-to-noise ratio
SORO—scan-on-receive-only
SPR—seconds per revolution
SPS—seconds per sector
SS—surface search
SSM—surface-to-surface missile
STALO—stable local oscillator
SUW—surface warfare
T
TA—target acquisition
TACAN—tactical air navigation
TASM—tactical air-to-surface missile
TDM—time division multiplexing
TERCOM—terrain-matching sensor
TI—target illumination
TOI—time of intercept
TOR—time of receipt
TR—transmit-receive
TT—target tracking
TWS—track-while-scan
U
UHF—ultrahigh frequency
USW—submarine warfare
V
VHF—very high frequency
VOR—VHF omnidirectional range
VR—video data relay
Y
yd—yards