Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD6JR callsign genealogy
Currently held by FitzSimons Jr, John R
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 AD6JR's current licensee, walking backwards.
- FitzSimons Jr, John RCAgranted 2024-06-12cancelled 2024-07-02
Successor callsigns
Callsigns held now by people who previously held AD6JR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD6JR, oldest first.
- Ford, Adrian E CA2009-03-14 → cancelled 2021-03-16
- FitzSimons Jr, John R CA2024-07-02 active