KO4HRO
Active2x3District 4
No competing applications on record.
License HolderThompson, Sandra L
License ClassTechnician
Min. Class RequiredTechnician
LocationEverett, WA
Grant DateSep 22, 2020
Expiration DateSep 22, 2030
KO4HRO is a 2x3 format amateur radio callsign. It is currently registered to Thompson, Sandra L in Everett, WA. 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: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Four Hotel Romeo Oscar
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedDec 4, 2025
- Administrative Update AppliedFeb 7, 2024
- System-Generated GrantSep 22, 2020
- License IssuedSep 22, 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.