What does QUD stand for?

QUD stands for "Have you received the urgency signal sent by (call sign)?"

How to abbreviate "Have you received the urgency signal sent by (call sign)?"?

"Have you received the urgency signal sent by (call sign)?" can be abbreviated as QUD

What is the meaning of QUD abbreviation?

The meaning of QUD abbreviation is "Have you received the urgency signal sent by (call sign)?"

What does QUD mean?

QUD as abbreviation means "Have you received the urgency signal sent by (call sign)?"