Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI5TK callsign genealogy
Currently held by GRASO, TONY 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 AI5TK's current licensee, walking backwards.
- GRASO, TONY ATXgranted 2024-05-07cancelled 2024-10-21
Successor callsigns
Callsigns held now by people who previously held AI5TK.
No current licensee on record previously held this callsign.