Amateur Extra Class: 2020–2024
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E8B07:

Orthogonal Frequency Division Multiplexing is a technique used for which type of amateur communication?

  1. High-speed digital modes
  2. Extremely low-power contacts
  3. EME
  4. OFDM signals are not allowed on amateur bands
E8B01 E8B02 E8B03 E8B04 E8B05 E8B06 E8B07 E8B08 E8B09 E8B10 E8B11