Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4YA callsign genealogy
Currently held by Graff, Tyler
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 AI4YA's current licensee, walking backwards.
- Graff, Tyler AGAgranted 2006-05-01cancelled 2007-05-08
Successor callsigns
Callsigns held now by people who previously held AI4YA.
- GRAFF, TYLERGAgranted 2026-08-12