Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI7JX callsign genealogy
Currently held by Ko, Chiu
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 AI7JX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AI7JX.
- Ko, ChiuORgranted 2021-12-03cancelled 2021-12-28