Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4TKJ callsign genealogy
Currently held by Johnson, Timothy 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 W4TKJ's current licensee, walking backwards.
- Johnson, Timothy KKYgranted 2021-11-08cancelled 2021-11-30
Successor callsigns
Callsigns held now by people who previously held W4TKJ.
No current licensee on record previously held this callsign.