Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0FZ callsign genealogy
Currently held by Barnhart, Warren L
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 AC0FZ's current licensee, walking backwards.
- Barnhart, Warren LKSgranted 2007-01-29cancelled 2007-01-29
Successor callsigns
Callsigns held now by people who previously held AC0FZ.
No current licensee on record previously held this callsign.