Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TJ callsign genealogy
Currently held by GORDON, WILLIAM
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 K4TJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4TJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TJ, oldest first.
- GABARDY, ROBERT L AZ2006-08-15 → cancelled 2015-09-07
- GORDON, WILLIAM TN2017-09-26 active