K1SB
Active1x2District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderBUONAGURIO, STANLEY F
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Locationjacksonville, FL
Grant DateApr 17, 2026
Expiration DateMay 15, 2036
K1SB is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by BUONAGURIO, STANLEY F in jacksonville, FL. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Brown, Stephen M on Jul 23, 2021. K1SB has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- ... -...
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo One Sierra Bravo
Readability: 8/10(High readability)
License History
- License RenewedApr 17, 2026
- License RenewedApr 8, 2016
- License RenewedFeb 21, 2006
- Tax ID (TIN) AddedMar 25, 2003
- Administrative Update AppliedMar 25, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.