KB4KB
Active2x2District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderBielefeldt, Karl K
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHuntsville, AL
Grant DateApr 25, 2020
Expiration DateApr 27, 2030
KB4KB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Bielefeldt, Karl K in Huntsville, AL. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by BRADY JR, KENNETH D on Aug 1, 2019. KB4KB has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -... ....- -.- -...
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Bravo Four Kilo Bravo
Readability: 8/10(High readability)
License History
- Administrative Update AppliedFeb 14, 2023
- License RenewedApr 25, 2020
- License IssuedApr 27, 2010
- Vanity Callsign GrantedApr 27, 2010
- License ExpiredSep 18, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.