KO4HXU
Available2x3District 4
No competing applications on record.
License HolderKrawczyk, John E
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationPasadena, MD
Grant DateSep 28, 2020
Expiration DateSep 28, 2030
Cancellation DateSep 12, 2023
Available for ApplicationsSep 13, 2025
KO4HXU is a 2x3 format amateur radio callsign. It is currently registered to Krawczyk, John E in Pasadena, MD. 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: 40 units(Moderate)
Voice Phonetics
Kilo Oscar Four Hotel X-ray Uniform
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledSep 12, 2023
- License ModifiedJul 28, 2023
- System-Generated GrantSep 28, 2020
- License IssuedSep 28, 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.