KF0FSZ
Active2x3District 0
No competing applications on record.
License HolderArmstrong, William M
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationSouth Saint Paul, MN
Grant DateMay 24, 2021
Expiration DateMay 24, 2031
KF0FSZ is a 2x3 format amateur radio callsign. It is currently registered to Armstrong, William M in South Saint Paul, MN. 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: 45 units(Heavy (slower to send))
Voice Phonetics
Kilo Foxtrot Zero Foxtrot Sierra Zulu
Readability: 6.5/10(Good readability)
License History
- License ModifiedAug 21, 2025
- Administrative Update AppliedOct 16, 2024
- License ModifiedJul 28, 2021
- System-Generated GrantMay 24, 2021
- License IssuedMay 24, 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.