Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA4TJ callsign genealogy
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 AA4TJ'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 AA4TJ.
- LAKATOSH, WILLIAM JVAgranted 2016-11-28cancelled 2024-04-04