Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ABZ callsign genealogy
Currently held by Wilson, Thomas P
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 K6ABZ's current licensee, walking backwards.
- Plewa, ChrisCAgranted 2025-12-30cancelled 2026-01-23
Successor callsigns
Callsigns held now by people who previously held K6ABZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ABZ, oldest first.
- Wilson, Thomas P CA2012-05-25 → cancelled 2024-05-29
- Plewa, Chris CA2026-01-23 active