Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4EF callsign genealogy
Currently held by Arnett, Adam 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 AI4EF's current licensee, walking backwards.
- Arnett, Adam HVAgranted 2003-02-11cancelled 2004-02-20
Successor callsigns
Callsigns held now by people who previously held AI4EF.
No current licensee on record previously held this callsign.