Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4TN callsign genealogy
Currently held by Finch Jr, William C
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 AI4TN's current licensee, walking backwards.
- Finch Jr, William CNCgranted 2002-04-24cancelled 2007-02-23
Successor callsigns
Callsigns held now by people who previously held AI4TN.
No current licensee on record previously held this callsign.