KM4SZO
Active2x3District 4
No competing applications on record.
License HolderCONNER, WILLIAM B
License ClassTechnician
Min. Class RequiredTechnician
LocationWEST DES MOINES, IA
Grant DateJan 21, 2026
Expiration DateApr 4, 2036
KM4SZO is a 2x3 format amateur radio callsign. It is currently registered to CONNER, WILLIAM B in WEST DES MOINES, IA. 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 Mike Four Sierra Zulu Oscar
Readability: 7.5/10(High readability)
License History
- License RenewedJan 21, 2026
- Administrative Update AppliedMar 20, 2021
- System-Generated GrantApr 4, 2016
- License IssuedApr 4, 2016
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.