KR4OSP
Active2x3District 4
No competing applications on record.
License HolderSathre, Connor J
License ClassTechnician
Min. Class RequiredTechnician
LocationClarksville, TN
Grant DateSep 1, 2026
Expiration DateSep 1, 2036
KR4OSP is a 2x3 format amateur radio callsign. It is currently registered to Sathre, Connor J in Clarksville, TN. 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: 39 units(Moderate)
Voice Phonetics
Kilo Romeo Four Oscar Sierra Papa
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.