Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7TZ callsign genealogy
Currently held by Zoch, Tammy 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 WA7TZ's current licensee, walking backwards.
- Woodside, Zachery RWAgranted 2022-10-18cancelled 2022-12-06
Successor callsigns
Callsigns held now by people who previously held WA7TZ.
- Zoch, Tammy JSDgranted 2020-04-21
All historical holders
Every license row we've seen with the callsign WA7TZ, oldest first.
- Zoch, Tammy J WA2016-12-08 → cancelled 2020-04-21
- Woodside, Zachery R WA2022-12-06 active