Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6MJ callsign genealogy
Currently held by Robertson Jr, William E
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 AD6MJ's current licensee, walking backwards.
- ROBERTSON JR, WILLIAM ECAgranted 1998-09-14cancelled 2000-05-13
Successor callsigns
Callsigns held now by people who previously held AD6MJ.
- Robertson Jr, William ENVgranted 2017-04-21