Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5ATS callsign genealogy
Currently held by Theismann, Andrew J
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 W5ATS's current licensee, walking backwards.
- Theismann, Andrew JTXgranted 2012-11-27cancelled 2022-11-22
Successor callsigns
Callsigns held now by people who previously held W5ATS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5ATS, oldest first.
- STANGLIN, ERNEST O TX2006-05-02 → cancelled 2018-05-03
- Theismann, Andrew J NY2022-11-22 active