Have you received the urgency signal sent by (call sign)?
Key Facts
Abbreviation
QUD
Pronunciation
/hæv ju rɪˈsivd ðə ˈərʤənsi ˈsɪgnəl sɛnt baɪ kɔl saɪn/
Category
Academic & Science
Related Field
Amateur Radio
Other meanings of QUD
Damanhour, Egypt
Regional