Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4DO callsign genealogy
Currently held by Wilson, Donald N
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 AI4DO's current licensee, walking backwards.
- Wilson, Donald NTNgranted 2003-10-08cancelled 2004-01-14
Successor callsigns
Callsigns held now by people who previously held AI4DO.
- Wilson, Donald NTNgranted 2004-04-13cancelled 2006-01-24