K4SBT
Expired1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderKIRK, ROBERT A
License ClassTechnician
Min. Class RequiredGeneral
LocationSarasota, FL
Grant DateSep 11, 2015
Expiration DateSep 11, 2025
Available for ApplicationsSep 12, 2027
K4SBT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KIRK, ROBERT A in Sarasota, FL. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by BROWN, VAL J on Aug 23, 2004. K4SBT has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... -... -
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Bravo Tango
Readability: 7.5/10(High readability)
Available Sep 12, 2027 (373 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedAug 23, 2025
- License RenewedSep 11, 2015
- Administrative Update AppliedMay 20, 2009
- License IssuedSep 10, 2004
- Vanity Callsign GrantedSep 10, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.