KO4KXO
Active2x3District 4
No competing applications on record.
License HolderJENSEN, JASON E
License ClassTechnician
Min. Class RequiredTechnician
LocationPhoenix, AZ
Grant DateJan 14, 2021
Expiration DateJan 14, 2031
KO4KXO is a 2x3 format amateur radio callsign. It is currently registered to JENSEN, JASON E in Phoenix, AZ. 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: 47 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Four Kilo X-ray Oscar
Readability: 7.5/10(High readability)
License History
- License ModifiedJul 21, 2025
- System-Generated GrantJan 14, 2021
- License IssuedJan 14, 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.