K3SD
Active1x2District 3
Competitive callsign — 3 applications filed with the FCC.
License HolderDUNN, STANLEY M
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationPiney Point, MD
Grant DateJul 24, 2017
Expiration DateJul 24, 2027
K3SD is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by DUNN, STANLEY M in Piney Point, MD. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Marlatt, Benjamin P on Jul 25, 2025. K3SD has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- ... -..
CW Weight: 24 units(Light (fast to send))
Voice Phonetics
Kilo Three Sierra Delta
Readability: 8/10(High readability)
License History
- Administrative Update AppliedApr 7, 2026
- Administrative Update AppliedApr 7, 2026
- License RenewedJul 24, 2017
- Administrative Update AppliedJul 6, 2013
- Administrative Update AppliedMay 30, 2007
- License RenewedMay 30, 2007
- FRN Association Email SentMay 26, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.