Q-Code Trainer
Learn and practise Q-codes, RST signal reports, and common amateur radio abbreviations. Interactive quiz with practice and timed modes.
Q-codes
- QRA
- Name of station
- QRG
- Exact frequency
- QRK
- Readability of signals (1-5)
- QRL
- Frequency in use
- QRM
- Man-made interference (from other stations)
- QRN
- Natural interference (static)
- QRO
- Increase power
- QRP
- Reduce power / Low power operation
- QRS
- Send more slowly
- QRT
- Stop transmitting / Closing down
- QRV
- Ready to receive
- QRX
- Stand by / Wait
- QRZ
- Who is calling me?
- QSB
- Fading signal
- QSL
- Acknowledge receipt / Confirmation card
- QSO
- Contact / Conversation
- QSY
- Change frequency
- QTH
- Location / Position
- QRQ
- Send faster
- QSK
- Break-in operation (CW)
- QTC
- Message to send
Abbreviations
- CQ
- Calling any station
- DE
- From (this is...)
- DX
- Long distance contact
- HI
- Laughter
- OM
- Old man (male operator)
- YL
- Young lady (female operator)
- XYL
- Wife
- 73
- Best wishes
- 88
- Love and kisses
- SK
- End of contact
- AR
- End of message
- K
- Invitation to transmit
- KN
- Invitation to named station only
- BK
- Break / Back to you
- CW
- Continuous Wave (Morse)
- SSB
- Single Sideband
- FM
- Frequency Modulation
- AM
- Amplitude Modulation
- USB
- Upper Sideband
- LSB
- Lower Sideband
- HF
- High Frequency (3-30 MHz)
- VHF
- Very High Frequency (30-300 MHz)
- UHF
- Ultra High Frequency (300-3000 MHz)
- RX
- Receiver / Receive
- TX
- Transmitter / Transmit
- ANT
- Antenna
- SWR
- Standing Wave Ratio
- ATU
- Antenna Tuning Unit
- PA
- Power Amplifier
- LNA
- Low Noise Amplifier
- AGC
- Automatic Gain Control
- ALC
- Automatic Level Control
- BFO
- Beat Frequency Oscillator
- VFO
- Variable Frequency Oscillator
- PLL
- Phase Locked Loop
- DSP
- Digital Signal Processing
- SDR
- Software Defined Radio
- CTCSS
- Continuous Tone-Coded Squelch System
- PEP
- Peak Envelope Power
- ERP
- Effective Radiated Power
- EIRP
- Effective Isotropic Radiated Power
RST Signal Reports
- R1
- Readability: Unreadable
- R2
- Readability: Barely readable
- R3
- Readability: Readable with difficulty
- R4
- Readability: Readable with little difficulty
- R5
- Readability: Perfectly readable
- S1
- Signal: Faint, barely perceptible
- S3
- Signal: Weak
- S5
- Signal: Fairly good
- S7
- Signal: Moderately strong
- S9
- Signal: Extremely strong
Phonetic Alphabet
- A
- Alpha
- B
- Bravo
- C
- Charlie
- D
- Delta
- E
- Echo
- F
- Foxtrot
- G
- Golf
- H
- Hotel
- I
- India
- J
- Juliet
- K
- Kilo
- L
- Lima
- M
- Mike
- N
- November
- O
- Oscar
- P
- Papa
- Q
- Quebec
- R
- Romeo
- S
- Sierra
- T
- Tango
- U
- Uniform
- V
- Victor
- W
- Whiskey
- X
- X-ray
- Y
- Yankee
- Z
- Zulu
- 0
- Zero
- 1
- One
- 2
- Two
- 3
- Three
- 4
- Four
- 5
- Five
- 6
- Six
- 7
- Seven
- 8
- Eight
- 9
- Nine (Niner)