Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4RT callsign genealogy
Currently held by Snellen Jr, John W
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 AI4RT's current licensee, walking backwards.
- Snellen Jr, John WNCgranted 2005-01-06cancelled 2006-09-12
Successor callsigns
Callsigns held now by people who previously held AI4RT.
No current licensee on record previously held this callsign.