E3B Transequatorial propagation; long-path propagation; ordinary and extraordinary waves; chordal hop; sporadic-E mechanisms; ground-wave propagation
- Pool questions
- 13
- Expected on an exam
- 1
- Lessons
- 1
Part of subelement E3 — RADIO WAVE PROPAGATION, which contributes 3 questions to every exam across 3 groups.
Lessons covering this
- Transequatorial, Long Path, and Chordal Hop11 min
Recognise the specialised HF paths by their geometry and timing, explain why lower elevation angles reach further, and distinguish ordinary from extraordinary waves.
Question ids
E3B01 · E3B02 · E3B03 · E3B04 · E3B05 · E3B06 · E3B07 · E3B08 · E3B09 · E3B10 · E3B11 · E3B12 · E3B13