Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS7J callsign genealogy
Currently held by Thall, Andrew S
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 WS7J's current licensee, walking backwards.
- MITCHUM, WILLIAM SFLgranted 2021-01-21cancelled 2021-03-23
Successor callsigns
Callsigns held now by people who previously held WS7J.
- Thall, Andrew STXgranted 2007-02-08cancelled 2008-11-25
All historical holders
Every license row we've seen with the callsign WS7J, oldest first.
- Thall, Andrew S TX2002-07-23 → cancelled 2007-02-08
- Pankey, Quentin G WA2009-03-03 → cancelled 2021-03-06
- MITCHUM, WILLIAM S FL2021-03-23 active