KR4IOY
Active2x3District 4
No competing applications on record.
License HolderAntonek, Isaiah
License ClassGeneral
Min. Class RequiredTechnician
LocationTampa, FL
Grant DateDec 30, 2025
Expiration DateDec 30, 2035
KR4IOY is a 2x3 format amateur radio callsign. It is currently registered to Antonek, Isaiah in Tampa, FL. 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: 40 units(Moderate)
Voice Phonetics
Kilo Romeo Four India Oscar Yankee
Readability: 6.5/10(Good readability)
License History
- License ModifiedFeb 17, 2026
- System-Generated GrantDec 30, 2025
- License IssuedDec 30, 2025
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.