Which of the following digital modes is especially useful for EME communications? [E2D03] A. FSK441 B. PACTOR III C. Olivia D. JT65 Due to the time it takes for signals…

Digital modes are the topic of this week’s Amateur Extra exam question….  [E8C13] What is one advantage of using JT-65 coding? A. Uses only a 65 Hz bandwidth B. The…