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AhaBulb: Stuff Everyone Should Know · ahabulb.com/ham-enter-frequency

Which of these can you use to enter a transceiver's operating frequency?

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  1. The CTCSS or DTMF encoder
  2. The automatic frequency control
  3. The keypad or VFO knob

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References

  1. HamStudy 2026 Technician pool, T4B02 hamstudy.org/browse/E2_2026/T4B Checked 2026-10-09.

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