KO4HEF
Active2x3District 4
No competing applications on record.
License HolderCAMPBELL, MARC A
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationMARYVILLE, TN
Grant DateSep 10, 2020
Expiration DateSep 10, 2030
KO4HEF is a 2x3 format amateur radio callsign. It is currently registered to CAMPBELL, MARC A in MARYVILLE, TN. 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: 34 units(Moderate)
Voice Phonetics
Kilo Oscar Four Hotel Echo Foxtrot
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedFeb 28, 2023
- License ModifiedFeb 17, 2023
- License ModifiedFeb 23, 2021
- System-Generated GrantSep 10, 2020
- License IssuedSep 10, 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.