G3C - Ionospheric regions; critical angle and frequency; HF scatter; near vertical incidence skywave (NVIS)
- Pool questions
- 11
- Expected on an exam
- 1
- Lessons
- 1
Part of subelement G3 — RADIO WAVE PROPAGATION, which contributes 3 questions to every exam across 3 groups.
Lessons covering this
- The Ionospheric Regions, Scatter, and NVIS11 min
Name the ionospheric regions and what each does, explain why the low bands are local by day, and recognise HF scatter and NVIS when you hear them.
Question ids
G3C01 · G3C02 · G3C03 · G3C04 · G3C05 · G3C06 · G3C07 · G3C08 · G3C09 · G3C10 · G3C11