Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9ZH callsign genealogy
Currently held by YOUNG, ROGER H
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 AC9ZH's current licensee, walking backwards.
- YOUNG, ROGER HILgranted 2020-08-12cancelled 2021-10-25
Successor callsigns
Callsigns held now by people who previously held AC9ZH.
No current licensee on record previously held this callsign.