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

• QSA — Signal strength.
• QRU — Do you have anything for me?
• QSY — Change frequency.
• QRS — Send slower.
• QSP — Relay a message.
• QTH — Location.
• QRG — Your exact frequency.
• QRT — Shutting down. Going off the air.