| A., a., amp. - amperes
a.c. - alternating current
a.f. - audio frequency
a.g.c. - automatic gain control
a.m. - amplitude modulation
amp. - amplifier
ant. - antenna
AREC - Amateur Radio Emergency Corps
ARPPSC - Amateur Radio Public Service Corps
aux. - auxiliary
a.v.c.- automatic volume control
bal. - balanced
BC - broadcast
BCI - broadcast interference
BCL - broadcast listener
b.f.o. - beat-frequency oscillator
BPL - Brass Pounders League
cath. - cathode
c.d. - civil defense
c.d. - Civil Defense (agency)
CD - Communication Dept. (ARRL)
c.f.m. - cubic feet per minute
ckt. - circuit
coax - coaxial cable or connector
conv. - converter
CP - code proficiency
c.p.s. - cycles per second
c.t. - center tap
c.w. - continuous wave (radiotelegraphy)
cy. - cycles
db. - decibel(s)
db.m. - db. above 1 milliwatt
d.c. - direct current
d.p.d.t. - double-pole, double-throw
d.p.s.t. - double-pole, single-throw
d.s.b. - double sideband
DX - distance
DXCC - DX Century Club
EC - Emergency Coordinator
el. - element
e.m.f. - electromotive force
Enam. - enameled
fax - facsimile
FCC - Federal Commuuications Commission
FD - Field Day
fil. - filament
f.m. -frequency modulation
freq. - frequency
Gc. - gigacycle
gnd. - ground
h., hy. - henry(s)
h.f. - high frequency
htr. - heater
h.v. - high voltage
i.f. - intermediate Frequency
K - thousand
kc. - kilocycles
kw. - kilowatt(s)
l.f. -low frequency
l.u.f. - lowest usable frequency
l.v. -low voltage
m. - meters
ma. - milliamperes
max. - maximum
Mc. - megacycles
m.f. - medium frequency
mho - millihenrys
mic., mike - microphone
mix. - mixer
m.u.f. - maximum usable frequency
mv. - millivolts
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n.f.m. - narrow-band frequency modulation
NTS - National Traffic System
o.d. - outside diameter
OES - Official Experimental Station
OO - Official Observer
OPS - Official Phone Station
ORS - Official Relay Station
osc. - oscillator
OVS - Official V.H.F. Station
PAM - Phone Activities Manager
p.e.p, - peak envelope power
pf. - picofarad (micromicrofarads )
p.p. - push-pull
pri. - primary
pwr. - power
RACES - Radio Amateur Civil Emergency Service
revr., rec. - receiver
rect. - rectifier
reg. - regulated, regulation
r.f.. - radio frequency
r.f.c. - radio-frequency choke
RM - Route Manager
RO - Radio Officer (civil defense)
RST - Readability-Strength-Tone
RTTY - radioteletype
s.a.s.e. - self-addresed stamped envelope
SCM - Section Communications Manager
SEC - Section Emergency Coordinator
sec. - secondary
sig. - signal
s.p.d.t. - single-pole, double-throw
s.p.s.t. - single-pole, single-throw
SS - Sweepstakes
s.s.b. - single sideband
s.w.l. - short-wave listener
s.w.r. - standing-wave ratio
t. - turns
temp. - temperature
t.p.i. - turns per inch
t.r. - transmit-receive
t.r.f. - tuned radio frequency
TV - television
TVI - television interference
u.h.f. - ultra-high frequency
v.f.o. - variable-frequency oscillator
v.h.f. - very-high frequency
v.o.m. - volt-ohm-milliammeter
VOX - voice-operated break-in
v.t.v.m. - vacuum tube voltmeter
VXO - variable crystal oscillator
WAC - Worked All Continents
WAS - Worked All States
w.p.m. - words per minute
xtal. - crystal
µf., µh. - microfarads, microhenrys
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