Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4XH callsign genealogy
Currently held by Holland, Tim 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 AI4XH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AI4XH.
- Holland, Tim LALgranted 2017-02-22