KR4OKA
Active2x3District 4
No competing applications on record.
License HolderDerrow, Ethan B
License ClassTechnician
Min. Class RequiredTechnician
LocationGrottoes, VA
Grant DateAug 14, 2026
Expiration DateAug 14, 2036
KR4OKA is a 2x3 format amateur radio callsign. It is currently registered to Derrow, Ethan B in Grottoes, VA. 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 Kilo Alpha
Readability: 7/10(Good readability)
License History
- System-Generated GrantAug 14, 2026
- License IssuedAug 14, 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.