G3B07 : What does LUF stand for?
A
The Lowest Usable Frequency for communications between two specific points
B
The Lowest Usable Frequency for communications to any point outside a 100-mile radius
C
The Lowest Usable Frequency during a 24-hour period
D
The Lowest Usable Frequency during the past 60 minutes
Correct Answer: The Lowest Usable Frequency for communications between two specific points