Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WZ4SAM callsign genealogy
Currently held by Gerstner, Samuel 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 WZ4SAM's current licensee, walking backwards.
- Gerstner, Samuel BAZgranted 2023-12-29cancelled 2024-01-17
Successor callsigns
Callsigns held now by people who previously held WZ4SAM.
- MOWERS, SCOTT AGAgranted 2019-12-10
All historical holders
Every license row we've seen with the callsign WZ4SAM, oldest first.
- MOWERS, SCOTT A GA2010-02-09 → cancelled 2010-04-21
- Gerstner, Samuel B AZ2024-01-17 active