Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4QJ callsign genealogy
Currently held by Finn, Daniel 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 AI4QJ's current licensee, walking backwards.
- Finn, Daniel JNCgranted 2003-05-20cancelled 2006-07-13
Successor callsigns
Callsigns held now by people who previously held AI4QJ.
No current licensee on record previously held this callsign.