K4KDX
Active1x3District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderSMITH, ROGER P
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationRALEIGH, NC
Grant DateDec 11, 2025
Expiration DateFeb 26, 2036
K4KDX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SMITH, ROGER P in RALEIGH, NC. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by SMITH, ROGER P on Feb 8, 2016. K4KDX has 14 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.- -.. -..-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Four Kilo Delta X-ray
Readability: 8/10(High readability)
License History
- Administrative Update AppliedDec 11, 2025
- License RenewedDec 11, 2025
- Administrative Update AppliedJan 30, 2019
- Vanity Callsign GrantedFeb 26, 2016
- License IssuedFeb 26, 2016
- License CanceledFeb 6, 2016
- Vanity Callsign GrantedFeb 4, 2014
- License IssuedFeb 4, 2014
- License CanceledJan 10, 2012
- License ModifiedDec 14, 2011
- Vanity Callsign GrantedSep 10, 2010
- License Issued
Vanity Application Activity
Competing applications filed with the FCC for this callsign.