Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TZW callsign genealogy
Currently held by FORD, WILLIAM B
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 W7TZW's current licensee, walking backwards.
- Barger, Mary-Brooke PWAgranted 2019-06-10cancelled 2019-06-28
Successor callsigns
Callsigns held now by people who previously held W7TZW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TZW, oldest first.
- FORD, WILLIAM B AZ1997-04-04 → cancelled 2005-09-08
- Barger, Mary-Brooke P WA2019-06-28 active