Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9ZJK callsign genealogy
Currently held by King, Zachary
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 W9ZJK's current licensee, walking backwards.
- King, ZacharyINgranted 2024-03-13cancelled 2024-04-23
Successor callsigns
Callsigns held now by people who previously held W9ZJK.
No current licensee on record previously held this callsign.