KM4SIF
Active2x3District 4
No competing applications on record.
License HolderNICKLESS, WILLIAM H
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationBIG PINE KEY, FL
Grant DateJan 16, 2026
Expiration DateMar 15, 2036
KM4SIF is a 2x3 format amateur radio callsign. It is currently registered to NICKLESS, WILLIAM H in BIG PINE KEY, FL. 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: 31 units(Moderate)
Voice Phonetics
Kilo Mike Four Sierra India Foxtrot
Readability: 7/10(Good readability)
License History
- License RenewedJan 16, 2026
- License ModifiedMar 6, 2017
- System-Generated GrantMar 15, 2016
- License IssuedMar 15, 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.