KO4AB
Active2x2District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderBorges, Armando J
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationKISSIMMEE, FL
Grant DateMay 2, 2023
Expiration DateMay 2, 2033
KO4AB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Borges, Armando J in KISSIMMEE, FL. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Buffa, Antonio C on Nov 27, 2023. KO4AB has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- .- -...
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Oscar Four Alpha Bravo
Readability: 8/10(High readability)
License History
- Administrative Update AppliedNov 20, 2025
- Administrative Update AppliedNov 19, 2025
- Administrative Update AppliedNov 30, 2024
- License IssuedMay 2, 2023
- Vanity Callsign GrantedMay 2, 2023
- License CanceledMar 10, 2012
- License ModifiedOct 11, 2011
- License RenewedMar 4, 2011
- License RenewedMar 24, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.