QRM — What It Means in Ham Radio

QRM — Interference from other stations.

Man-made interference — another station, a nearby transmitter, electrical noise from equipment. The kind of noise a human caused.

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Related words

• QRU — Do you have anything for me?
• QRO — High power. The opposite of QRP.
• QRX — Stand by. Wait.
• QTR — The correct time.
• QRL — Is this frequency busy?
• QSA — Signal strength.
• QRZ — Who is calling me?
• QSY — Change frequency.