KO6MRF
Cancelled2x3District 6
No competing applications on record.
License HolderSheen, John P
License ClassTechnician
Min. Class RequiredTechnician
LocationYuba City, CA
Grant DateFeb 28, 2026
Cancellation DateApr 21, 2026
Available for ApplicationsApr 22, 2028
KO6MRF is a 2x3 format amateur radio callsign. It is currently registered to Sheen, John P in Yuba City, 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: 40 units(Moderate)
Voice Phonetics
Kilo Oscar Six Mike Romeo Foxtrot
Readability: 7.5/10(High readability)
Available Apr 22, 2028 (595 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledApr 21, 2026
- System-Generated GrantFeb 28, 2026
- License IssuedFeb 28, 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.