KR4MBE
Active2x3District 4
No competing applications on record.
License HolderSumner, Jeffery N
License ClassTechnician
Min. Class RequiredTechnician
LocationGrethel, KY
Grant DateMay 9, 2026
Expiration DateMay 9, 2036
KR4MBE is a 2x3 format amateur radio callsign. It is currently registered to Sumner, Jeffery N in Grethel, KY. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- .-. ....- -- -... .
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Romeo Four Mike Bravo Echo
Readability: 7.5/10(High readability)
License History
- System-Generated GrantMay 9, 2026
- License IssuedMay 9, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.