Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4GF callsign genealogy
Currently held by BARTON, DAVID L
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 AI4GF's current licensee, walking backwards.
- Barton, David LFLgranted 2003-10-06cancelled 2004-07-21
Successor callsigns
Callsigns held now by people who previously held AI4GF.
- BARTON, DAVID LFLgranted 2019-04-02