KU1F
Active2x1District 1
Competitive callsign — 9 applications filed with the FCC.
License HolderO'Keefe, Mark J
License ClassGeneral
Min. Class RequiredAmateur Extra
LocationPort Orange, FL
Grant DateApr 21, 2026
Expiration DateApr 21, 2036
KU1F is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by O'Keefe, Mark J in Port Orange, FL. This callsign has attracted significant interest in the amateur radio community, with 9 vanity applications filed with the FCC. The most recent was submitted by Dieker, Scott L on Apr 3, 2026. KU1F has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..- .---- ..-.
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Uniform One Foxtrot
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedApr 21, 2026
- License IssuedApr 21, 2026
- License ExpiredMar 6, 2026
- Administrative Update AppliedMay 31, 2016
- License RenewedOct 17, 2013
- Tax ID (TIN) AddedSep 25, 2003
- License RenewedSep 25, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.