Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9DKJ callsign genealogy
Currently held by JOHN, DONALD 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 W9DKJ's current licensee, walking backwards.
- JOHN, DONALD KINgranted 1993-06-01cancelled 2001-02-10
Successor callsigns
Callsigns held now by people who previously held W9DKJ.
No current licensee on record previously held this callsign.