K4LDD
Available1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderDendekker, Leonardus J
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBluffton, SC
Grant DateMar 20, 2014
Expiration DateJun 5, 2024
Cancellation DateJun 6, 2026
Available for ApplicationsJun 6, 2026
K4LDD is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Dendekker, Leonardus J in Bluffton, 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 Lucius III, Joseph V on Aug 3, 2026. K4LDD has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-.. -.. -..
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Four Lima Delta Delta
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJun 6, 2026
- License RenewedMar 20, 2014
- Administrative Update AppliedFeb 20, 2013
- Administrative Update AppliedSep 23, 2011
- Administrative Update AppliedNov 16, 2010
- License ModifiedApr 12, 2007
- Administrative Update AppliedMay 13, 2005
- License IssuedJun 5, 2004
- Vanity Callsign GrantedJun 5, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.