KR4OSO
Active2x3District 4
No competing applications on record.
License HolderThomas, Stephen
License ClassGeneral
Min. Class RequiredTechnician
LocationCulpeper, VA
Grant DateSep 1, 2026
Expiration DateSep 1, 2036
KR4OSO is a 2x3 format amateur radio callsign. It is currently registered to Thomas, Stephen in Culpeper, VA. 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 Romeo Four Oscar Sierra Oscar
Readability: 6.5/10(Good readability)
License History
- License ModifiedSep 29, 2026
- 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.