Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4IS callsign genealogy
Currently held by Holmes, Justin 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 AI4IS's current licensee, walking backwards.
- Holmes, Justin NTNgranted 2004-10-19cancelled 2005-01-26
Successor callsigns
Callsigns held now by people who previously held AI4IS.
No current licensee on record previously held this callsign.