Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8TJ callsign genealogy
Currently held by Jaffke, Thomas A
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 W8TJ's current licensee, walking backwards.
- Restrepo, Roberto IFLgranted 2016-10-21cancelled 2017-07-18
Successor callsigns
Callsigns held now by people who previously held W8TJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8TJ, oldest first.
- Jaffke, Thomas A MI2005-05-10 → cancelled 2017-06-29
- Restrepo, Roberto I FL2017-07-18 active