FSG 90F System
Abbreviations
Page
6
November 2000
W. Dittel GmbH
Abbreviations
A/C
Aircraft
A/N
Article Number (DITTEL)
AGC
Automatic Gain Control
Ah
Ampere hour
AM
Amplitude Modulation
ANT
Antenna
Ass'y
Assembly
AWG
American Wire Gauge
ccw
Counterclockwise (turn left
? )
CH
Channel
CTS
Ready-to-Transmit
cw
Clockwise (turn right
? )
dB
Decibel
dia.
Diameter
EMF
Electromotive Force (voltage of
an open circuit)
F/CH
Frequency/Channel
FL
Flight Level
g
Acceleration due to gravity
GND
Ground
HI
High Power
Hz
Hertz
ICAO
International Civil Aviation Organization
IF
Intermediate Frequency
kHz
Kilohertz
LCD
Liquid Crystal Display
LED
Light Emitting Diode
LO
Low Power
LOS
Line-Of-Sight
m
Modulation
mA
Milliamperes
MD
Mode
MHz
Megahertz
MIC
Microphone
mW
Milliwatt
NM
Nautical miles
nW
Nanowatt (10
-9
)
PEP
Peak Envelope Power
PLL
Phase-Locked Loop
ppm
parts per million
PTT
Push-To-Talk
pW
Picowatt (10
-12
)
PWR
Power
RF
Radio Frequency
rms
Effective value (root mean
square)
RTS
Invitation to send
RX
Receive
RxD
Receive data
S+N/N
Signal-to-Noise Ratio
SINAD
Ratio:
Signal
noise
distortion
noise
distortion
+
+
+
SPKR
Loudspeaker
SQ
Squelch
STBY
Standby
STO
Store
SWR
Standing-Wave Ratio
TOT
Time out timer
TX
Transmit
TxD
Transmit data
VCO
Voltage-Controlled Oscillator
Vdc
Volts, direct current
VHF
Very-High Frequency
VOL
Volume
VSWR
Voltage Standing-Wave Ratio
W
Watt
O
Ohm
°C
Degrees Centigrade
°F
Degrees Fahrenheit