Question Pool -- Category T3
You may shorten the list of categories by choosing
one of the ten category groups.
Select one of the following categories. You will be presented
questions at random. Return here when you are ready to try
another category.
- 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
Return to index of elements.