Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0DF callsign genealogy
Currently held by Byars, James M
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 AC0DF's current licensee, walking backwards.
- Byars, James MNEgranted 2005-08-02cancelled 2005-09-30
Successor callsigns
Callsigns held now by people who previously held AC0DF.
No current licensee on record previously held this callsign.