Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7ZN callsign genealogy
Currently held by Doctor, William F
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 AF7ZN's current licensee, walking backwards.
- Doctor, William FORgranted 2015-10-23cancelled 2016-06-02
Successor callsigns
Callsigns held now by people who previously held AF7ZN.
No current licensee on record previously held this callsign.