KO4UDN
Active2x3District 4
No competing applications on record.
License HolderBlackwell, Charles J
License ClassTechnician
Min. Class RequiredTechnician
LocationArlington, TN
Grant DateOct 19, 2021
Expiration DateOct 19, 2031
KO4UDN is a 2x3 format amateur radio callsign. It is currently registered to Blackwell, Charles J in Arlington, 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: 37 units(Moderate)
Voice Phonetics
Kilo Oscar Four Uniform Delta November
Readability: 6.5/10(Good readability)
License History
- System-Generated GrantOct 19, 2021
- License IssuedOct 19, 2021
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.