Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4HL callsign genealogy
Currently held by Roberts, Carlton L
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 AI4HL's current licensee, walking backwards.
- Roberts, Carlton LKYgranted 1998-01-15cancelled 2004-09-28
Successor callsigns
Callsigns held now by people who previously held AI4HL.
No current licensee on record previously held this callsign.