Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ6YJ callsign genealogy
Currently held by WARKENTIN, MICHAEL
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 AJ6YJ's current licensee, walking backwards.
- WARKENTIN, MICHAELCAgranted 2022-08-17cancelled 2022-10-11
Successor callsigns
Callsigns held now by people who previously held AJ6YJ.
- WARKENTIN, MICHAELCAgranted 2022-11-04