Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF0AU callsign genealogy
Currently held by Nelson, Karl D
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 AF0AU's current licensee, walking backwards.
- Nelson, Karl DMNgranted 2020-01-01cancelled 2024-09-27
Successor callsigns
Callsigns held now by people who previously held AF0AU.
- Nelson, Karl DMNgranted 2024-10-22