K4YC
Active1x2District 4
Competitive callsign — 42 applications filed with the FCC.
License HolderDUNCAN, DONALD C
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationGREENVILLE, SC
Grant DateSep 4, 2020
Expiration DateSep 4, 2030
K4YC is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by DUNCAN, DONALD C in GREENVILLE, SC. This callsign has attracted significant interest in the amateur radio community, with 42 vanity applications filed with the FCC. The most recent was submitted by Burke, Tracy A on Feb 17, 2026. K4YC has 11 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.-- -.-.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Yankee Charlie
Readability: 8.5/10(High readability)
License History
- Administrative Update AppliedJun 23, 2026
- Administrative Update AppliedSep 28, 2021
- License IssuedSep 4, 2020
- Vanity Callsign GrantedSep 4, 2020
- Internal Correction AppliedOct 3, 2019
- Internal Correction AppliedOct 3, 2019
- License RenewedJan 15, 2016
- Vanity Callsign GrantedJan 10, 2006
- License IssuedJan 10, 2006
- Internal Correction AppliedNov 10, 2005
- Internal Correction AppliedNov 10, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.