Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4JR callsign genealogy
Currently held by PARKER JR, ROBERT C
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 AA4JR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA4JR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA4JR, oldest first.
- PARKER JR, ROBERT C FL2003-12-05 → cancelled 2015-12-08
- Reilly, John H NC2025-11-25 active