NU8O
Available2x1District 8
Competitive callsign — 22 applications filed with the FCC.
License HolderAmpo, Rena
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationPortland, OR
Grant DateMay 13, 2014
Expiration DateMay 13, 2024
Cancellation DateMay 14, 2026
Available for ApplicationsMay 14, 2026
NU8O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Ampo, Rena in Portland, OR. This callsign has attracted significant interest in the amateur radio community, with 22 vanity applications filed with the FCC. The most recent was submitted by Horkey, Nicholas W on Oct 19, 2026. NU8O has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ..- ---.. ---
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
November Uniform Eight Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License ExpiredMay 14, 2026
- Administrative Update AppliedApr 2, 2019
- License IssuedMay 13, 2014
- Vanity Callsign GrantedMay 13, 2014
- License CanceledJun 15, 2002
- Administrative Update AppliedMay 18, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.