Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0DF callsign genealogy
Currently held by Schnellman Jr, Joseph W
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 AD0DF's current licensee, walking backwards.
- Schnellman Jr, Joseph WMNgranted 2009-12-10cancelled 2013-02-06
Successor callsigns
Callsigns held now by people who previously held AD0DF.
No current licensee on record previously held this callsign.