Amateur Extra Class: 2020–2024
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E1B01:

[97.3]

Which of the following constitutes a spurious emission?

  1. An amateur station transmission made without the proper call sign identification
  2. A signal transmitted to prevent its detection by any station other than the intended recipient
  3. Any transmitted signal that unintentionally interferes with another licensed radio station
  4. An emission outside the signal's necessary bandwidth that can be reduced or eliminated without affecting the information transmitted
E1B01 E1B02 E1B03 E1B04 E1B05 E1B06 E1B07 E1B08 E1B09 E1B10 E1B11 E1B12