Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AF0DF callsign genealogy
Currently held by Carlson, Matthew
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 AF0DF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AF0DF.
No current licensee on record previously held this callsign.