Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH6AC callsign genealogy
Currently held by CHANG, EMI
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 KH6AC's current licensee, walking backwards.
- CHANG, EMIHIgranted 1996-08-29cancelled 2003-07-18
- WH6CRKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KH6AC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH6AC, oldest first.
- TROPICAL AMATEUR RADIO CLUB HI1996-12-04 → cancelled 1999-07-28
- CHANG, EMI HI2015-01-31 → cancelled 2025-07-19