OurAirports has records for 5 different navaids with the identifier "UU". Please select the one you'd like to view.
Belarus
524 KHz (UU ..- ..-)
..- ..-
Greenland
285 KHz (UU ..- ..-)
Malawi
227 KHz (UU ..- ..-)
Romania
325 KHz (UU ..- ..-)
United States
334 KHz (UU ..- ..-)