Confidence: Medium · Source: FCC ULS · As of 2026-09-10
AC0WI callsign genealogy
Currently held by Mueller, David L
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 AC0WI's current licensee, walking backwards.
- Mueller, David LMOgranted 2003-07-03cancelled 2011-05-25
Successor callsigns
Callsigns held now by people who previously held AC0WI.
No current licensee on record previously held this callsign.