KR4MBJ
Active2x3District 4
No competing applications on record.
License HolderSheets, Jacob
License ClassTechnician
Min. Class RequiredTechnician
LocationGreenwood, SC
Grant DateMay 9, 2026
Expiration DateMay 9, 2036
KR4MBJ is a 2x3 format amateur radio callsign. It is currently registered to Sheets, Jacob in Greenwood, SC. 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: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Romeo Four Mike Bravo Juliet
Readability: 7/10(Good 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.