Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4FX callsign genealogy
Currently held by Le Maitre, Marcus
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 AI4FX's current licensee, walking backwards.
- Le Maitre, MarcusVAgranted 2024-12-18cancelled 2025-01-07
Successor callsigns
Callsigns held now by people who previously held AI4FX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AI4FX, oldest first.
- PANTHER, TIM S NC2011-12-21 → cancelled 2023-08-22
- Le Maitre, Marcus VA2025-01-07 active