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Ham Radio Practice: Unofficial Regs & Band Quiz (No License)
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What is the primary purpose of using a sub-audible CTCSS (PL) tone on a VHF or UHF repeater?
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Hint
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50-50
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Audience
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A
To prevent interference from distant stations or noise on the same frequency
B
To encrypt the transmission so only club members can hear it
C
To increase the voice quality and high-frequency response of the audio
D
To automatically log the call sign of the transmitting station
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