K5UO
Active1x2District 5
Competitive callsign — 10 applications filed with the FCC.
License HolderLarsh, Thomas N
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSpring, TX
Grant DateSep 11, 2026
Expiration DateSep 11, 2036
K5UO is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Larsh, Thomas N in Spring, TX. This callsign has attracted significant interest in the amateur radio community, with 10 vanity applications filed with the FCC. The most recent was submitted by Larsh, Thomas N on Aug 24, 2026. K5UO has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... ..- ---
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Five Uniform Oscar
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedSep 11, 2026
- License IssuedSep 11, 2026
- Internal Correction AppliedJul 14, 2026
- Internal Correction AppliedJul 14, 2026
- Administrative Update AppliedApr 14, 2020
- Administrative Update AppliedJan 30, 2019
- License RenewedAug 8, 2016
- License RenewedAug 8, 2006
- Tax ID (TIN) AddedAug 7, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.