KR4MDO
Active2x3District 4
No competing applications on record.
License HolderGriffin, Walter S
License ClassTechnician
Min. Class RequiredTechnician
LocationCalhoun, TN
Grant DateMay 13, 2026
Expiration DateMay 13, 2036
KR4MDO is a 2x3 format amateur radio callsign. It is currently registered to Griffin, Walter S in Calhoun, TN. 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: 39 units(Moderate)
Voice Phonetics
Kilo Romeo Four Mike Delta Oscar
Readability: 7.5/10(High readability)
License History
- System-Generated GrantMay 13, 2026
- License IssuedMay 13, 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.