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
- ACSC – Australian Cyber Security Centre
- AF – Audible Frequency (20 Hz to 20 kHz)
- AGM – Annual General Meeting
- AM – Amplitude Modulation
- AMC – Australian Maritime College
- AOCP – Amateur Operators Certificate of Proficiency
- APRS – Amateur Packet Radio Service
- ARRL – American Radio Relay League
- ASD – Australian Signals Directorate
- ATU – Antenna Tuning Unit
- BALUN – BALanced to UNbalanced
- BYO – Bring Your Own
- C – The speed of light (300 million metres per second)
- C4FM – Digital mode by Yaesu
- CB – Citizens Band
- CCTV – Closed Circuit Television
- CPR – CardioPulmonary Resuscitation
- CTCSS – Continuous Tone Coded Squelch System
- CW – Continuous Wave
- dB – Decibels
- DC – Direct Current
- DoS – Denial of Service
- DX – Long Distance
- DTMF – Dual Tone Multiple Frequency
- EMDRC – Eastern and Mountain District Radio Club
- EME – Earth Moon Earth
- ERP – Effective Radiated Power
- FCC – Federal Communications Commission
- FSK – Frequency Shift Keying
- FM – Frequency Modulation
- Frequency – Number of Cycles per Second measured in Hz
- GPS – Global Positioning System
- HF – High Frequency (3 MHz to 30 MHz)
- HTTPS – HyperText Transfer Protocol Secure
- IC3 – Internet Crime complaint centre
- IEC – International Electrotechnical Commission
- LCD – Licence Conditions Determination
- LPF – Low Pass Filter
- MITM – Man In The Middle
- Morse Code – A code developed for communications via a simple CW transmitter
- MF – Medium Frequency (300 kHz to 3 MHz)
- PC – Personal Computer
- 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
- RASA – Radio Amateur Society of Australia
- RIT – Receive Incremental Tuning
- RJ-45 – Common type of 8 pin connector used in communications and networking
- RSPCA – Royal Society for the Prevention of Cruelty to Animals
- 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
- SSL – Secure Sockets Layer
- 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
- VPN – Virtual Private Network
- WIA – Wireless Institute of Australia
- Wavelength – Inversely proportional to frequency (measured in metres)
- Yagi – Type of directional antenna