K3DSI
Available1x3District 3
Competitive callsign — 2 applications filed with the FCC.
License HolderCLAYTON, JAMES B
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationFAIRFAX STATION, VA
Grant DateNov 4, 2008
Expiration DateNov 4, 2018
Cancellation DateJan 27, 2009
Available for ApplicationsJan 28, 2011
K3DSI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by CLAYTON, JAMES B in FAIRFAX STATION, VA. 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 Scarborough, Trey D on Sep 3, 2025. K3DSI has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- -.. ... ..
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Three Delta Sierra India
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledJan 27, 2009
- License ModifiedDec 15, 2008
- License IssuedNov 4, 2008
- Vanity Callsign GrantedNov 4, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.