KR4IOI
Cancelled2x3District 4
No competing applications on record.
License HolderWhitt, Danny J
License ClassTechnician
Min. Class RequiredTechnician
LocationMonroeville, OH
Grant DateDec 24, 2025
Cancellation DateJan 16, 2026
Available for ApplicationsJan 17, 2028
KR4IOI is a 2x3 format amateur radio callsign. It is currently registered to Whitt, Danny J in Monroeville, OH. 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: 32 units(Moderate)
Voice Phonetics
Kilo Romeo Four India Oscar India
Readability: 6/10(Good readability)
Available Jan 17, 2028 (499 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledJan 16, 2026
- System-Generated GrantDec 24, 2025
- License IssuedDec 24, 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.