Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7WEN callsign genealogy
Currently held by Wen, Tzu Yi
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 K7WEN's current licensee, walking backwards.
- Wen, Tzu YiMIgranted 2018-10-11cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held K7WEN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7WEN, oldest first.
- SCHIMELFENIG, GARY L WA2006-09-08 → cancelled 2018-09-11
- Wen, Tzu Yi MI2018-11-06 active