Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7Z callsign genealogy
Currently held by Kukka, Carl R
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 AB7Z's current licensee, walking backwards.
- Wierzbowski, Anthony EAZgranted 2022-05-25cancelled 2023-08-25
Successor callsigns
Callsigns held now by people who previously held AB7Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB7Z, oldest first.
- Kukka, Carl R FL2011-05-11 → cancelled 2023-08-08
- Wierzbowski, Anthony E AZ2023-08-25 active