Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WO7Z callsign genealogy
Currently held by Boon, Thomas E
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 WO7Z's current licensee, walking backwards.
- Boon, Thomas EORgranted 2024-11-19
Successor callsigns
Callsigns held now by people who previously held WO7Z.
- Boon, Thomas EORgranted 2024-11-19
All historical holders
Every license row we've seen with the callsign WO7Z, oldest first.
- DEWS, ROBERT M ID1988-06-21 → cancelled 2000-06-22
- Boon, Thomas E OR2021-04-02 → cancelled 2024-11-19