Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4OC callsign genealogy
Currently held by Edgerton, David E
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 AI4OC's current licensee, walking backwards.
- Edgerton, David EFLgranted 2006-02-28cancelled 2018-04-17
Successor callsigns
Callsigns held now by people who previously held AI4OC.
No current licensee on record previously held this callsign.