Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0VH callsign genealogy
Currently held by Armbruster, John 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 AC0VH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC0VH.
No current licensee on record previously held this callsign.