Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA6HI callsign genealogy
Currently held by CHANG, HUI C
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 AA6HI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA6HI.
- SHIEBER, H ICAgranted 2016-12-06
All historical holders
Every license row we've seen with the callsign AA6HI, oldest first.
- CHANG, HUI C CA1997-11-14 → cancelled 2009-11-17
- SHIEBER, H I CA2015-07-24 → cancelled 2016-12-06