K4EEF
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderRenfro Jr, William C
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBirmingham, AL
Grant DateJul 3, 2018
Expiration DateJul 3, 2028
K4EEF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Renfro Jr, William C in Birmingham, AL. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Renfro Jr, William C on Jun 15, 2018. K4EEF has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- . . ..-.
CW Weight: 22 units(Light (fast to send))
Voice Phonetics
Kilo Four Echo Echo Foxtrot
Readability: 8/10(High readability)
License History
- License ModifiedJul 20, 2021
- License ModifiedJul 10, 2018
- License IssuedJul 3, 2018
- Vanity Callsign GrantedJul 3, 2018
- License ExpiredApr 29, 2016
- License IssuedApr 28, 2004
- Vanity Callsign GrantedApr 28, 2004
- License ExpiredDec 30, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.