KR4MHA
Active2x3District 4
No competing applications on record.
License HolderShamrock Radio Club
Min. Class RequiredTechnician
LocationSan Francisco, CA
Grant DateMay 19, 2026
Expiration DateMay 19, 2036
KR4MHA is a 2x3 format amateur radio callsign. It is currently registered to Shamrock Radio Club in San Francisco, CA. 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: 33 units(Moderate)
Voice Phonetics
Kilo Romeo Four Mike Hotel Alpha
Readability: 7.5/10(High readability)
License History
- System-Generated GrantMay 19, 2026
- License IssuedMay 19, 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.