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Ham Radio Practice: Unofficial Regs & Band Quiz (No License)
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How must an amateur station identify when transmitting digital or Slow-Scan Television (SSTV) modes?
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Hint
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⚖️
50-50
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Audience
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A
By embedding a hidden digital watermark in every frame
B
Using CW (Morse code) or telephony (voice) on an authorized frequency
C
Identification is not required for digital transmissions
D
By transmitting the call sign once every hour
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