Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI5T callsign genealogy
Currently held by VUCINOVICH JR, MARCUS 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 AI5T's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AI5T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AI5T, oldest first.
- VUCINOVICH JR, MARCUS L LA1988-06-21 → cancelled 2000-06-22
- Knight, Gary TX2020-08-12 active