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
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
Quick Index
Practice Test
Help support WaveTalkers using
Buy Me A Coffee!
Element 4
E3
E3C
E3C11
E3C11:
What does VOACAP software model?
AC voltage and impedance
VHF radio propagation
HF propagation
AC current and impedance
E3C01
E3C02
E3C03
E3C04
E3C05
E3C06
E3C07
E3C08
E3C09
E3C10
E3C11
E3C12
E3C13
E3C14
E3C15