KR4OBT
Active2x3District 4
No competing applications on record.
License HolderDrumond Vianna, Matheus
License ClassTechnician
Min. Class RequiredTechnician
LocationGainesville, FL
Grant DateAug 4, 2026
Expiration DateAug 4, 2036
KR4OBT is a 2x3 format amateur radio callsign. It is currently registered to Drumond Vianna, Matheus in Gainesville, 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 Bravo Tango
Readability: 7/10(Good readability)
License History
- System-Generated GrantAug 4, 2026
- License IssuedAug 4, 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.