Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB6AU callsign genealogy
Currently held by MANGNUS, LOUIS F
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 AB6AU's current licensee, walking backwards.
- MANGNUS, LOUIS FCAgranted 2025-09-20
Successor callsigns
Callsigns held now by people who previously held AB6AU.
- MANGNUS, LOUIS FCAgranted 2025-09-20