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 |
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 |