Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3GZ callsign genealogy
Currently held by Thrall, Samuel D
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 W3GZ's current licensee, walking backwards.
- Thrall, Samuel DPAgranted 2022-08-30cancelled 2023-08-04
Successor callsigns
Callsigns held now by people who previously held W3GZ.
- Hensler, Bruce GPAgranted 2021-07-16
All historical holders
Every license row we've seen with the callsign W3GZ, oldest first.
- FRAZIER, LAURENCE M MD2006-02-03 → cancelled 2018-04-03
- Hensler, Bruce G PA2018-05-25 → cancelled 2021-07-16
- Thrall, Samuel D PA2023-08-04 active