Section T3
SUBELEMENT
T3 -- RADIO-WAVE PROPAGATION [3 Exam Questions -- 3 Groups]
T3A Line of
sight; reflection of VHF/UHF signals
T3B
Tropospheric ducting or bending; amateur satellite and EME
operations
T3C Ionospheric propagation, causes and variation;
maximum usable
frequency;
Sporadic-E propagation; ground wave, HF propagation
characteristics;
sunspots and the sunspot cycle