KI4O
Active2x1District 4
Competitive callsign — 13 applications filed with the FCC.
License HolderCARTER SR, ROY O
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationBonaire, GA
Grant DateJun 16, 2026
Expiration DateJun 16, 2036
KI4O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by CARTER SR, ROY O in Bonaire, GA. This callsign has attracted significant interest in the amateur radio community, with 13 vanity applications filed with the FCC. The most recent was submitted by Kesler, Stephen E on Aug 29, 2014. KI4O has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .. ....- ---
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Kilo India Four Oscar
Readability: 8/10(High readability)
License History
- License RenewedJun 16, 2026
- License ModifiedSep 10, 2014
- Vanity Callsign GrantedAug 29, 2014
- License IssuedAug 29, 2014
- Internal Correction AppliedJul 10, 2014
- Internal Correction AppliedJul 10, 2014
- License RenewedMay 22, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.