KR4OUM
Active2x3District 4
No competing applications on record.
License HolderARMSTRONG, JOHN H
License ClassGeneral
Min. Class RequiredTechnician
LocationPORTERVILLE, CA
Grant DateSep 9, 2026
Expiration DateSep 9, 2036
KR4OUM is a 2x3 format amateur radio callsign. It is currently registered to ARMSTRONG, JOHN H in PORTERVILLE, CA. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- .-. ....- --- ..- --
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Romeo Four Oscar Uniform Mike
Readability: 7/10(Good readability)
License History
- System-Generated GrantSep 9, 2026
- License IssuedSep 9, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.