Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4W callsign genealogy
Currently held by MARDEN, JAMES E
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 AI4W's current licensee, walking backwards.
- Hayden Jr, Patrick AKYgranted 2006-07-10cancelled 2008-03-11
Successor callsigns
Callsigns held now by people who previously held AI4W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AI4W, oldest first.
- MARDEN, JAMES E VA1999-10-05 → cancelled 2005-08-20
- Hayden Jr, Patrick A KY2017-12-20 active