Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4DZX callsign genealogy
Currently held by WILSON, MALCOLM K
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 KJ4DZX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KJ4DZX.
No current licensee on record previously held this callsign.