KB4SUN
Available2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderBranson, Mark D
License ClassP
Min. Class RequiredTechnician
LocationSummerville, SC
Grant DateNov 14, 2006
Expiration DateFeb 4, 2017
Cancellation DateFeb 12, 2019
Available for ApplicationsFeb 5, 2019
KB4SUN is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Branson, Mark D in Summerville, SC. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Slabaugh, Dennis B on Jun 8, 2026. KB4SUN has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -... ....- ... ..- -.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Bravo Four Sierra Uniform November
Readability: 6/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredFeb 12, 2019
- License RenewedNov 14, 2006
- Tax ID (TIN) AddedNov 10, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.