KD0SF
Cancelled2x2District 0
Competitive callsign — 2 applications filed with the FCC.
License HolderTUCKER, DARRELL R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationAuxvasse, MO
Grant DateDec 30, 2025
Cancellation DateMar 24, 2026
Available for ApplicationsMar 25, 2028
KD0SF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by TUCKER, DARRELL R in Auxvasse, MO. 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 TUCKER, DARRELL R on Dec 9, 2025. KD0SF has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ----- ... ..-.
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Delta Zero Sierra Foxtrot
Readability: 7/10(Good readability)
Available Mar 25, 2028 (568 days remaining)
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledMar 24, 2026
- License IssuedDec 30, 2025
- Vanity Callsign GrantedDec 30, 2025
- License CanceledJul 11, 2006
- Administrative Update AppliedJun 7, 2006
- Tax ID (TIN) AddedJun 1, 2006
- License ModifiedJun 1, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.