KR4FSO
Cancelled2x3District 4
No competing applications on record.
License HolderSmith, Ryan R
License ClassTechnician
Min. Class RequiredTechnician
LocationKnoxville, TN
Grant DateAug 5, 2025
Cancellation DateAug 23, 2025
Available for ApplicationsAug 24, 2027
KR4FSO is a 2x3 format amateur radio callsign. It is currently registered to Smith, Ryan R in Knoxville, 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: 37 units(Moderate)
Voice Phonetics
Kilo Romeo Four Foxtrot Sierra Oscar
Readability: 6.5/10(Good readability)
Available Aug 24, 2027 (392 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledAug 23, 2025
- System-Generated GrantAug 5, 2025
- License IssuedAug 5, 2025
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.