Question
Which Q signal indicates that you are receiving interference from other stations?
Answer Options
- A) QRM
- B) QRN
- C) QTH
- D) QSB
Correct Answer: A
Explanation
Q-signals are a set of three-letter codes (starting with Q) used in amateur radio to quickly and clearly convey procedural or atmospheric information. The signal QRM means “I am being interfered with by other stations” (man-made interference).
For contrast, QRN means interference from natural sources, like atmospheric static or noise. QTH asks for or states your location, and QSB indicates that the signal strength is fading.
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