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Amateur Extra Class: 2020–2024
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Sections
E1: Commission's Rules
E2: Operating Procedures
E3: Radio Wave Propagation
E4: Amateur Practices
E5: Electrical Principles
E6: Circuit Components
E7: Practical Circuits
E8: Signals and Emissions
E9: Antennas and Transmission Lines
E0: Safety
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Practice Test
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Element 4
E1
E1B
E1B01
E1B01:
[97.3]
Which of the following constitutes a spurious emission?
An amateur station transmission made without the proper call sign identification
A signal transmitted to prevent its detection by any station other than the intended recipient
Any transmitted signal that unintentionally interferes with another licensed radio station
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