Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB5ZZ callsign genealogy
Currently held by TOWERY, CHARLES 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 AB5ZZ's current licensee, walking backwards.
- KB5UNKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AB5ZZ.
No current licensee on record previously held this callsign.