KI4OIU
Available2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderSpeiser Jr, Joseph C
License ClassTechnician
Min. Class RequiredTechnician
LocationJacksonville, FL
Grant DateAug 5, 2014
Expiration DateAug 5, 2024
Cancellation DateAug 8, 2026
Available for ApplicationsAug 6, 2026
KI4OIU is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Speiser Jr, Joseph C in Jacksonville, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Speiser Jr, Joseph C on Jul 18, 2014. KI4OIU has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .. ....- --- .. ..-
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo India Four Oscar India Uniform
Readability: 6/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredAug 8, 2026
- Vanity Callsign GrantedAug 5, 2014
- License IssuedAug 5, 2014
- Internal Correction AppliedJul 18, 2014
- Internal Correction AppliedJul 18, 2014
- Internal Correction AppliedJul 18, 2014
- License ModifiedApr 16, 2007
- License IssuedMar 24, 2006
- System-Generated GrantMar 24, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.