KM4OPA
Active2x3District 4
No competing applications on record.
License HolderGambill, Charles D
License ClassTechnician
Min. Class RequiredTechnician
LocationHazard, KY
Grant DateNov 19, 2025
Expiration DateNov 19, 2035
KM4OPA is a 2x3 format amateur radio callsign. It is currently registered to Gambill, Charles D in Hazard, 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: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Mike Four Oscar Papa Alpha
Readability: 8/10(High readability)
License History
- License RenewedNov 19, 2025
- System-Generated GrantNov 3, 2015
- License IssuedNov 3, 2015
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.