This page provides a quick reference to the meaning of terms used throughout the website to enable better understanding.
- ACMA – Australian Communications and Media Authority
- AC – Alternating Current
- AF – Audible Frequency (20 Hz to 20 kHz)
- ARRL – American Radio Relay League
- AM – Amplitude Modulation
- AMC – Australian Maritime College
- ATU – Antenna Tuning Unit
- C – The speed of light (300 million metres per second)
- CTCSS – Continuous Tone Coded Squelch System
- CCTV – Closed Circuit Television
- CW – Continuous Wave
- dB – Decibels
- DC – Direct Current
- DX – Long Distance
- DTMF – Dual Tone Multiple Frequency
- EMDRC – Eastern and Mountain District Radio Club
- ERP – Effective Radiated Power
- FSK – Frequency Shift Keying
- FM – Frequency Modulation
- Frequency – Number of Cycles per Second measured in Hz
- HF – High Frequency (3 MHz to 30 MHz)
- LCD – Licence Conditions Determination
- Morse Code – A code developed for communications via a simple CW transmitter
- MF – Medium Frequency (300 kHz to 3 MHz)
- Phonetics – Refers to the words used to convey radio alphabet
- Phone – Voice communications
- PSK – Pulse Shift Keying
- PEP – Peak Envelope Power
- Q Codes – A set of codes used as abbreviations in amateur radio communications
- RIT – Receive Incremental Tuning
- RST – Readability Signal Tone, used to convey quality of the communications
- Resistor – a passive two-terminal electrical component that implements electrical resistance as a circuit element
- RF – Radio Frequency
- SSB – Single Side Band
- SSTV – Slow Scan Television
- Squelch – control enables the receiver to cut out the noise when there is no signal present
- SWR – Standing Wave Ratio
- TV – Television
- UHF – Ultra High Frequency (300 MHz to 3 GHz)
- VHF – Very High Frequency (30 MHz to 300 MHz)
- VFO – Variable Frequency Oscillator
- WIA – Wireless Institute of Australia
- Wavelength – Inversely proportional to frequency (measured in metres)