KR4OSF
Active2x3District 4
No competing applications on record.
License HolderLahmann, Keith C
License ClassTechnician
Min. Class RequiredTechnician
LocationPensacola, FL
Grant DateSep 1, 2026
Expiration DateSep 1, 2036
KR4OSF is a 2x3 format amateur radio callsign. It is currently registered to Lahmann, Keith C in Pensacola, 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: 37 units(Moderate)
Voice Phonetics
Kilo Romeo Four Oscar Sierra Foxtrot
Readability: 6.5/10(Good readability)
License History
- System-Generated GrantSep 1, 2026
- License IssuedSep 1, 2026
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.