KF4MB
Available2x2District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderGREBEL, MADELIN E
License ClassAdvanced
Min. Class RequiredGeneral
LocationOCOEE, FL
Grant DateMay 2, 1989
Expiration DateMay 2, 1999
Cancellation DateMay 3, 2001
Available for ApplicationsMay 3, 2001
KF4MB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by GREBEL, MADELIN E in OCOEE, FL. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Buckaloo, Michael D on Dec 29, 2025. KF4MB has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ..-. ....- -- -...
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Mike Bravo
Readability: 8.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredMay 3, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.