Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4AL callsign genealogy
Currently held by McMath Jr, William A
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 AI4AL's current licensee, walking backwards.
- KN4WYKcancelledBama HamersALgranted 2019-09-03cancelled 2019-09-24
Successor callsigns
Callsigns held now by people who previously held AI4AL.
- Miller Jr, James DGAgranted 2023-05-03
All historical holders
Every license row we've seen with the callsign AI4AL, oldest first.
- Miller Jr, James D FL2000-11-04 → cancelled 2003-07-29
- McMath Jr, William A AL2005-08-20 → cancelled 2017-08-22
- Bama Hamers AL2019-09-24 active