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ILC Course Introduction
Licensing Conditions
Technical Basics
Transmitters and Receivers
Feeders and antennas
Propagation
EMC
Operating Practices
Safety
Written Assessment
ILC Index
Training Start Page
Propagation
Topic and Revision Select
Radio propagation basics -
D, E and F layers
Ground wave, sky wave, skip distance, and skip zone -
Sporadic E -
VHF and UHF signals -
Revision
