Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6TDJ callsign genealogy
Currently held by JOHNSON, TIMOTHY D
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 K6TDJ's current licensee, walking backwards.
- JOHNSON, TIMOTHY DCAgranted 2005-07-13cancelled 2005-08-09
Successor callsigns
Callsigns held now by people who previously held K6TDJ.
- JOHNSON, TIMOTHY DORgranted 2019-05-21