K4KEF
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderRUMFELT, RICHARD G
License ClassTechnician
Min. Class RequiredGeneral
LocationCerritos, CA
Grant DateJul 3, 2020
Expiration DateJul 3, 2030
K4KEF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RUMFELT, RICHARD G in Cerritos, CA. 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 Ford, Keith E on Jun 15, 2020. K4KEF has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.- . ..-.
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Kilo Echo Foxtrot
Readability: 8/10(High readability)
License History
- Administrative Update AppliedApr 6, 2022
- Administrative Update AppliedApr 13, 2021
- License ModifiedAug 3, 2020
- License ModifiedJul 13, 2020
- Vanity Callsign GrantedJul 3, 2020
- License IssuedJul 3, 2020
- License ExpiredSep 23, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Ford, Keith EFiled Jun 15, 2020Not awardedFCC ↗