KO4ZVO
Cancelled2x3District 4
No competing applications on record.
License HolderGRUBBS, MICHAEL F
License ClassTechnician
Min. Class RequiredTechnician
LocationDELAWARE, OH
Grant DateApr 18, 2022
Cancellation DateMay 9, 2025
Available for ApplicationsMay 10, 2027
KO4ZVO is a 2x3 format amateur radio callsign. It is currently registered to GRUBBS, MICHAEL F in DELAWARE, OH. 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: 46 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Four Zulu Victor Oscar
Readability: 7.5/10(High readability)
Available May 10, 2027 (303 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledMay 9, 2025
- License ModifiedApr 24, 2024
- System-Generated GrantApr 18, 2022
- License IssuedApr 18, 2022
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.