KO3F
Active2x1District 3
Competitive callsign — 11 applications filed with the FCC.
License HolderROGERS, CHARLES G
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationCatonsville, MD
Grant DateMar 11, 2025
Expiration DateJun 6, 2035
KO3F is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by ROGERS, CHARLES G in Catonsville, MD. This callsign has attracted significant interest in the amateur radio community, with 11 vanity applications filed with the FCC. The most recent was submitted by ROGERS, CHARLES G on May 19, 2015. KO3F has 14 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ...-- ..-.
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Oscar Three Foxtrot
Readability: 8.5/10(High readability)
License History
- License RenewedMar 11, 2025
- Administrative Update AppliedApr 5, 2023
- Administrative Update AppliedAug 6, 2022
- Administrative Update AppliedJan 25, 2022
- Administrative Update AppliedFeb 24, 2021
- Administrative Update AppliedFeb 23, 2021
- Administrative Update AppliedSep 18, 2019
- Administrative Update AppliedOct 5, 2018
- Vanity Callsign GrantedJun 6, 2015
- License IssuedJun 6, 2015
- License CanceledMay 18, 2013
Vanity Application Activity
Competing applications filed with the FCC for this callsign.