K0RU
Active1x2District 0
Competitive callsign — 1 application filed with the FCC.
License HolderUNDERWOOD, ROBERT D
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationHOMELAND, CA
Grant DateJul 2, 2026
Expiration DateMay 23, 2036
K0RU is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by UNDERWOOD, ROBERT D in HOMELAND, CA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by UNDERWOOD, ROBERT D on May 4, 2006. K0RU has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- .-. ..-
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Zero Romeo Uniform
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedJul 2, 2026
- License RenewedJul 2, 2026
- Administrative Update AppliedSep 7, 2022
- Administrative Update AppliedApr 20, 2022
- License RenewedMar 17, 2016
- Vanity Callsign GrantedMay 23, 2006
- License IssuedMay 23, 2006
- Internal Correction AppliedMay 17, 2006
- Internal Correction AppliedMay 17, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- UNDERWOOD, ROBERT DFiled May 4, 2006Not awardedFCC ↗