Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4JN callsign genealogy
Currently held by CERKEZ, MICHAEL J
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 AI4JN's current licensee, walking backwards.
- CERKEZ, MICHAEL JSCgranted 2003-08-14cancelled 2005-03-14
Successor callsigns
Callsigns held now by people who previously held AI4JN.
No current licensee on record previously held this callsign.