NK4D
Active2x1District 4
Competitive callsign — 14 applications filed with the FCC.
License HolderDecker, Gerald J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationFernandina Beach, FL
Grant DateOct 25, 2019
Expiration DateOct 25, 2029
NK4D is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Decker, Gerald J in Fernandina Beach, FL. This callsign has attracted significant interest in the amateur radio community, with 14 vanity applications filed with the FCC. The most recent was submitted by Duwe, Tan Z on Jun 23, 2025. NK4D has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. -.- ....- -..
CW Weight: 23 units(Light (fast to send))
Voice Phonetics
November Kilo Four Delta
Readability: 8/10(High readability)
License History
- License IssuedOct 25, 2019
- Vanity Callsign GrantedOct 25, 2019
- Internal Correction AppliedSep 4, 2019
- Internal Correction AppliedSep 4, 2019
- Internal Correction AppliedSep 4, 2019
- License RenewedMay 9, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.