KO4WYO
Cancelled2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHorner, Jonathan E
License ClassTechnician
Min. Class RequiredTechnician
LocationInterlachen, FL
Grant DateFeb 22, 2022
Cancellation DateAug 23, 2024
Available for ApplicationsAug 24, 2026
KO4WYO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Horner, Jonathan E in Interlachen, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Beckett Mr., Daniel P on Sep 29, 2020. KO4WYO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- .-- -.-- ---
CW Weight: 49 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Four Whiskey Yankee Oscar
Readability: 7.5/10(High readability)
Available Aug 24, 2026 (44 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledAug 23, 2024
- System-Generated GrantFeb 22, 2022
- License IssuedFeb 22, 2022
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Beckett Mr., Daniel PFiled Sep 29, 2020Not awardedFCC ↗