Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI5CG callsign genealogy
Currently held by Mellon, William H
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 AI5CG's current licensee, walking backwards.
- Mellon, William HTXgranted 2021-02-03cancelled 2021-03-04
Successor callsigns
Callsigns held now by people who previously held AI5CG.
- Mellon, William HTXgranted 2021-05-04