K4TSB
Available1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderAPLIN, BRUCE R
License ClassAdvanced
Min. Class RequiredGeneral
LocationFORT WALTON BEACH, FL
Grant DateJul 23, 2005
Expiration DateJul 23, 2015
Cancellation DateJul 25, 2017
Available for ApplicationsJul 24, 2017
K4TSB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by APLIN, BRUCE R in FORT WALTON BEACH, FL. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Byrd, Timothy S on Mar 24, 2026. K4TSB has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- - ... -...
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Tango Sierra Bravo
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJul 25, 2017
- License IssuedJul 23, 2005
- Vanity Callsign GrantedJul 23, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.