KO4OST
Active2x3District 4
No competing applications on record.
License HolderJohnson, Thomas R
License ClassTechnician
Min. Class RequiredTechnician
LocationCosta Mesa, CA
Grant DateMar 25, 2021
Expiration DateMar 25, 2031
KO4OST is a 2x3 format amateur radio callsign. It is currently registered to Johnson, Thomas R in Costa Mesa, CA. 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: 38 units(Moderate)
Voice Phonetics
Kilo Oscar Four Oscar Sierra Tango
Readability: 7/10(Good readability)
License History
- System-Generated GrantMar 25, 2021
- License IssuedMar 25, 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.