Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7ETW callsign genealogy
Currently held by Thorne III, Edwin
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 KA7ETW's current licensee, walking backwards.
- Thorne III, EdwinWAgranted 2015-11-18cancelled 2015-12-18
Successor callsigns
Callsigns held now by people who previously held KA7ETW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7ETW, oldest first.
- MATHISON, JOHN N WA1989-04-18 → cancelled 2001-04-19
- Thorne III, Edwin WA2025-12-02 active