KO4HJO
Cancelled2x3District 4
No competing applications on record.
License HolderMcMillan III, Marion R
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationSeneca, SC
Grant DateSep 16, 2020
Cancellation DateAug 27, 2024
Available for ApplicationsAug 28, 2026
KO4HJO is a 2x3 format amateur radio callsign. It is currently registered to McMillan III, Marion R in Seneca, SC. 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 Hotel Juliet Oscar
Readability: 7/10(Good readability)
Available Aug 28, 2026 (50 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledAug 27, 2024
- License ModifiedFeb 5, 2024
- License ModifiedOct 21, 2020
- System-Generated GrantSep 16, 2020
- License IssuedSep 16, 2020
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.