Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3FD callsign genealogy
Currently held by Griffin, John 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 AB3FD's current licensee, walking backwards.
- Griffin, John EPAgranted 2002-01-08cancelled 2007-04-25
Successor callsigns
Callsigns held now by people who previously held AB3FD.
No current licensee on record previously held this callsign.