Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9ZZ callsign genealogy
Currently held by Foulks, Robert
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 AD9ZZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AD9ZZ.
- Foulks, RobertILgranted 2025-09-05