2E0XFD

Common Ham Radio Terms (A–Z)

Antenna – Device that transmits or receives radio signals.

Balun – A transformer that connects balanced and unbalanced systems (e.g., dipole to coax).

Band – A range of frequencies (e.g., 20m band = around 14 MHz).

Callsign – Unique identifier assigned to an amateur radio operator (e.g., 2E0XFD).

CQ – A general call to any station (“CQ CQ this is 2E0XFD”).

DX – Long-distance communication.

Elmer – A ham who mentors new operators.

Feedline – Cable that connects the radio to the antenna (usually coaxial).

Groundwave – Radio signal that travels along the Earth’s surface.

HT – Handheld transceiver.

Ionosphere – Layer of the atmosphere that reflects HF radio waves.

Logbook – Record of QSOs (contacts).

Net – A scheduled group discussion or emergency coordination on air.

OM – “Old Man”, a friendly term for a male ham.

QRP – Operating with low power (typically <5W).

QSL – Confirmation of contact, via card or electronically.

QSO – Two-way radio contact.

Ragchew – A casual, often lengthy conversation.

Repeater – A station that retransmits signals to extend coverage.

RF – Radio Frequency.

RFI – Radio Frequency Interference.

Rig – Slang for your transceiver/radio station.

Shack – Your operating space (can be mobile, home, etc.).

Silent Key (SK) – A deceased ham operator.

Skip – When signals reflect off the ionosphere and travel long distances.

SWR – Standing Wave Ratio; shows how efficiently your antenna is matched.

YL / XYL – Young Lady (female ham) / Ex-Young Lady (wife of a ham).

Complete Q Code List (CW and Voice)

Combined Phonetic Alphabets

Extra Acronyms & Technical Abbreviations (Extended)