Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB3OJ callsign genealogy
Currently held by Young III, John P
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 AB3OJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AB3OJ.
- Young III, John PMDgranted 2011-11-01cancelled 2013-06-25