Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD6ADM callsign genealogy
Currently held by Schroeder, William A
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 WD6ADM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WD6ADM.
- Schroeder, William AOHgranted 2017-03-11