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Three letters standing for a whole sentence.
Also known as: QRM radio code
The Q code group QRM, meaning I am being interfered with by other stations.
Means I am being interfered with by other stations.
Contexts: Public information, Navigation
Paired with QRN for natural noise, so the code distinguishes interference caused by people from interference caused by weather — a distinction that determines what the operator should do about it.
Contexts: Public information, Navigation
The three letters QRM sent or spoken as a group, forming a question when followed by a query and a statement when not.