Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ8J callsign genealogy
Currently held by Dillon, Robert O
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 AJ8J's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AJ8J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AJ8J, oldest first.
- Sunden, Walter G OH2004-01-15 → cancelled 2013-05-31
- Dillon, Robert O PA2025-05-14 active