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Unofficial Road Rules Practice (No License Guaranteed)
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What does the term 'chirp' refer to in amateur radio transmitter performance?
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Hint
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⚖️
50-50
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Audience
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A
A frequency shift that occurs during a key down transmission
B
A high-pitched audio feedback loop in a microphone
C
The sound of lightning static on the HF bands
D
The rapid switching of a receiver between two frequencies
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