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General Class: 2019–2023
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Sections
G1: Commission's Rules
G2: Operating Procedures
G3: Radio Wave Propagation
G4: Amateur Radio Practices
G5: Electrical Principles
G6: Circuit Components
G7: Practical Circuits
G8: Signals and Emissions
G9: Antennas and Feedlines
G0: Electrical and RF Safety
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Element 3
G3
G3A
G3A05
G3A05:
What is the solar flux index?
A measure of the highest frequency that is useful for ionospheric propagation between two points on Earth
A count of sunspots that is adjusted for solar emissions
Another name for the American sunspot number
A measure of solar radiation at 10.7 centimeters wavelength
G3A01
G3A02
G3A03
G3A04
G3A05
G3A06
G3A07
G3A08
G3A09
G3A10
G3A11
G3A12
G3A13
G3A14