K4DSW
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderWalker II, David S
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSelma, NC
Grant DateDec 21, 2018
Expiration DateMar 3, 2029
K4DSW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Walker II, David S in Selma, 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 Wheeler, Dennis S on Sep 15, 2009. K4DSW has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.. ... .--
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Four Delta Sierra Whiskey
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedFeb 20, 2026
- Administrative Update AppliedApr 12, 2025
- License RenewedDec 21, 2018
- License ModifiedJan 13, 2010
- License IssuedMar 3, 2009
- Vanity Callsign GrantedMar 3, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.