KR4JSI
Active2x3District 4
No competing applications on record.
License HolderCroisdale, Bradly A
License ClassTechnician
Min. Class RequiredTechnician
LocationKnoxville, TN
Grant DateFeb 12, 2026
Expiration DateFeb 12, 2036
KR4JSI is a 2x3 format amateur radio callsign. It is currently registered to Croisdale, Bradly A 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: 34 units(Moderate)
Voice Phonetics
Kilo Romeo Four Juliet Sierra India
Readability: 5.5/10(Moderate readability)
License History
- System-Generated GrantFeb 12, 2026
- License IssuedFeb 12, 2026
- Administrative Update AppliedFeb 12, 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.