Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9BD callsign genealogy
Currently held by Byrnes, William E
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 AB9BD's current licensee, walking backwards.
- BYRNES, WILLIAM EILgranted 1996-02-05cancelled 2000-12-21
Successor callsigns
Callsigns held now by people who previously held AB9BD.
No current licensee on record previously held this callsign.