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Amateur Extra Class: 2020–2024
Today
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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Element 4
E3
E3C
E3C01
E3C01:
What does the radio communication term "ray tracing" describe?
The process in which an electronic display presents a pattern
Modeling a radio wave's path through the ionosphere
Determining the radiation pattern from an array of antennas
Evaluating high voltage sources for x-rays
E3C01
E3C02
E3C03
E3C04
E3C05
E3C06
E3C07
E3C08
E3C09
E3C10
E3C11
E3C12
E3C13
E3C14
E3C15