Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4LL callsign genealogy
Currently held by Blake, Jack 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 AI4LL's current licensee, walking backwards.
- Blake, Jack LVAgranted 2004-04-19cancelled 2005-07-28
Successor callsigns
Callsigns held now by people who previously held AI4LL.
No current licensee on record previously held this callsign.