Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4FP callsign genealogy
Currently held by Cox, Thomas R
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 AI4FP's current licensee, walking backwards.
- Ponton Jr, Hampton FVAgranted 2010-04-07cancelled 2016-09-24
Successor callsigns
Callsigns held now by people who previously held AI4FP.
- COX, THOMAS RTNgranted 2016-04-15
All historical holders
Every license row we've seen with the callsign AI4FP, oldest first.
- Cox, Thomas R AL2003-06-12 → cancelled 2006-07-11
- Ponton Jr, Hampton F VA2026-08-08 active