Q Codes

Source: Q-Codes, Another (and Wikipedia's article)

QRM: Man-made interference, other signals in environment

QRN: Troubled by static, natural interference

QRP: Used in conversation, it means "Should I decrease power?" QRP operation refers to transmitting at reduced power while attempting to maximize one's effective range. QRP operation is a specialized pursuit within the hobby that was first popularized in the early 1920s. QRP operators generally limit their transmitted RF output power to 5 W or less output for CW, or 10 W PEP output or less for SSB.

QRV: I am ready to receive. As a question, 'are you ready to receive?'

QSB: Signal is fading

QSK: Can you hear me between your signals? In other words, Shall I continue the transmission of all my traffic?

QSL: I am acknowledging receipt. As a question, "Can you acknowledge receipt (of a message or transmission)?"

A QSL Card is a written confirmation of radio communication.

QSL Card from Mongolia

QRZ: Who is calling?

Phonetic Alphabet

LAPD Phonetic Alphabet

CW Terms

• CQPOTA: Someone calling to make contacts for Parks on the Air
• DE: “From”
• ES: “And”
• BK: “Break” - done with what I’m saying, back to you
• GM / GA / GE: Good Morning/Afternoon/Evening
• UR: “You Are”, used as a preface to your signal report. For example, “You are 5-9”
• TNX: “Thanks”
• Most used Q-Codes:
  • QRL: “Checking if frequency is clear”
  • QRT: “Stop sending. I’m done, wrapping up”
  • QRZ: “Who is calling me”
  • QRM: Man made noise, from the surrounding environment
  • QSB: Signal fading
  • QSL: “I understood what you said”

Morse Code

Morse Code Chart (4 Columns)

📄 Letters

🔢 Numbers

✨ Punctuation

🧭 Prosigns (Procedure Signals)