Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4HH callsign genealogy
Currently held by Frick, Ronald P
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 AI4HH's current licensee, walking backwards.
- Frick, Ronald PFLgranted 1998-12-22cancelled 2004-09-21
Successor callsigns
Callsigns held now by people who previously held AI4HH.
No current licensee on record previously held this callsign.