KR4OSI
Active2x3District 4
No competing applications on record.
License HolderConnelly, Jacob
License ClassTechnician
Min. Class RequiredTechnician
LocationPort Saint Lucie, FL
Grant DateSep 1, 2026
Expiration DateSep 1, 2036
KR4OSI is a 2x3 format amateur radio callsign. It is currently registered to Connelly, Jacob in Port Saint Lucie, 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: 33 units(Moderate)
Voice Phonetics
Kilo Romeo Four Oscar Sierra India
Readability: 6/10(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.