Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD3DJK callsign genealogy
Currently held by King Sr, David J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KD3DJK's current licensee, walking backwards.
- King Sr, David JNJgranted 2020-12-21cancelled 2021-02-02
Successor callsigns
Callsigns held now by people who previously held KD3DJK.
- KING SR, DAVID JNJgranted 2021-04-30