Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4AV callsign genealogy
Currently held by Paxson, Robert D
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 AI4AV's current licensee, walking backwards.
- Paxson, Robert DTNgranted 2003-07-10cancelled 2003-08-16
Successor callsigns
Callsigns held now by people who previously held AI4AV.
No current licensee on record previously held this callsign.