Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4CC callsign genealogy
Currently held by Campbell, Charles 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 AI4CC's current licensee, walking backwards.
- CAMPBELL, CHARLES Ecancelled 1998-10-20
Successor callsigns
Callsigns held now by people who previously held AI4CC.
No current licensee on record previously held this callsign.