K0UWU
Active1x3District 0
Competitive callsign — 5 applications filed with the FCC.
License HolderRuby, Emma C
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationKansas City, MO
Grant DateApr 1, 2025
Expiration DateApr 1, 2035
K0UWU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Ruby, Emma C in Kansas City, MO. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Samms, Emma C on Mar 13, 2025. K0UWU has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- ..- .-- ..-
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Zero Uniform Whiskey Uniform
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedJan 3, 2026
- Administrative Update AppliedSep 9, 2025
- License IssuedApr 1, 2025
- Vanity Callsign GrantedApr 1, 2025
- License CanceledMar 12, 2022
- Administrative Update AppliedFeb 24, 2022
- License IssuedMar 30, 2021
- Vanity Callsign GrantedMar 30, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.