임의 구분전파전자기능사(구) · 2002년04월07일 · 37/60
37.What signals do you send for the urgency signal in radiotelephony?(정답률:알수없음)
1
We send three repetitions SECURITE.
2
We send three repetitions of the group of words PAN PAN.정답
3
We send the group MAYDAY.
4
We send three repetitions of HELP.