Ham Radio Exam Prep
Current Ham Radio Test Pools
Technician License 2018-2022
Free Practice Test: Technician
General License 2019-2023
Free Practice Test: General
Amateur Extra License 2020-2024
Free Practice Test: Amateur Extra
Gallery
Resources
LIVE
General Class: 2019–2023
Today
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
Quick Index
Practice Test
Help support WaveTalkers using
Buy Me A Coffee!
Element 3
G3
G3A
G3A06
G3A06:
What is a geomagnetic storm?
A sudden drop in the solar flux index
A thunderstorm that affects radio propagation
Ripples in the ionosphere
A temporary disturbance in Earth's magnetosphere
G3A01
G3A02
G3A03
G3A04
G3A05
G3A06
G3A07
G3A08
G3A09
G3A10
G3A11
G3A12
G3A13
G3A14