Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0FJ callsign genealogy
Currently held by Bird, Jeff J
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 AC0FJ's current licensee, walking backwards.
- Bird, Jeff JMNgranted 2003-01-07cancelled 2006-10-10
Successor callsigns
Callsigns held now by people who previously held AC0FJ.
- BIRD, JEFF JMNgranted 2016-10-11