K4JEF
Active1x3District 4
Competitive callsign — 9 applications filed with the FCC.
License HolderMaynard, Jeff W
License ClassTechnician
Min. Class RequiredGeneral
LocationAzle, TX
Grant DateFeb 17, 2021
Expiration DateFeb 17, 2031
K4JEF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Maynard, Jeff W in Azle, TX. 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 Little, Jeffrey S on Oct 5, 2020. K4JEF has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- . ..-.
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Four Juliet Echo Foxtrot
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedJun 4, 2025
- License RenewedFeb 17, 2021
- Administrative Update AppliedAug 20, 2013
- License IssuedAug 17, 2010
- Vanity Callsign GrantedAug 17, 2010
- License ExpiredNov 20, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.