ASOC MCQ: The ionospheric layer most responsible for long-distance HF at night is often the | DXR ASOC Exam Practice Portal

Question #671Antennas and Radio Wave Propagation

The ionospheric layer most responsible for long-distance HF at night is often the

F layer ✓ Correct answer
D layer
C layer
G layer

Explanation: The F region supports much nighttime long-distance HF.

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