Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6JDT callsign genealogy
Currently held by Thomas, Jason 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 W6JDT's current licensee, walking backwards.
- Thomas, Jason DAZgranted 2021-01-21cancelled 2021-02-09
Successor callsigns
Callsigns held now by people who previously held W6JDT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6JDT, oldest first.
- Aston, William J CA2007-07-13 → cancelled 2019-10-08
- Thomas, Jason D AZ2021-02-09 active