Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9YX callsign genealogy
Currently held by Peacock, William A
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 AA9YX's current licensee, walking backwards.
- PEACOCK, WILLIAM AINgranted 1990-12-24cancelled 2000-06-06
- KA9UNXno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA9YX.
No current licensee on record previously held this callsign.