K4SAR
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderSimpson Jr, Joe B
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationDurham, NC
Grant DateJan 26, 2018
Expiration DateApr 22, 2028
K4SAR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Simpson Jr, Joe B in Durham, NC. 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 Gonzalez, Pedro L on Sep 24, 2026. K4SAR has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... .- .-.
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Alpha Romeo
Readability: 7/10(Good readability)
License History
- License RenewedJan 26, 2018
- License RenewedFeb 26, 2008
- Tax ID (TIN) AddedFeb 27, 2003
- License ModifiedFeb 27, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.